Expr

OCCT package Expr: Expr, Expr_Absolute, Expr_ArcCosine, Expr_ArcSine, and 54 more bound classes.

This package describes the data structure of any expression, relation or function used in mathematics. It also describes the assignment of variables. Standard mathematical functions are implemented such as trigonometrics, hyperbolics, and log functions.

Constructors(1)

constructor(): Expr

Static methods(4)

CopyShare(exp: Expr_GeneralExpression): Expr_GeneralExpression
Parameters (1)
- exp
NbOfFreeVariables(exp: Expr_GeneralExpression): number
Parameters (1)
- exp
NbOfFreeVariables(exp: Expr_GeneralRelation): number
Parameters (1)
- exp
Sign(val: number): number
Parameters (1)
- val

Expr_Absolute

Expr_UnaryExpressionExpr_GeneralExpressionStandard_Transient

Constructors(1)

constructor(exp: Expr_GeneralExpression): Expr_Absolute
Creates the Abs of <exp>.
Parameters (1)
- exp

Static methods(2)

get_type_name(): string
get_type_descriptor(): Standard_Type

Instance methods(8)

ShallowSimplified(): Expr_GeneralExpression
Returns a GeneralExpression after a simplification of the arguments of <me>.
Copy(): Expr_GeneralExpression
Returns a copy of <me> having the same unknowns and functions.
IsIdentical(Other: Expr_GeneralExpression): boolean
Tests if <me> and <Other> define the same expression. This method does not include any simplification before testing.
Parameters (1)
- Other
IsLinear(): boolean
Tests if <me> is linear on every NamedUnknown it contains.
Derivative(X: Expr_NamedUnknown): Expr_GeneralExpression
Returns the derivative on <X> unknown of <me>.
Parameters (1)
- X
Evaluate(vars: NCollection_Array1_handle_Expr_NamedUnknown, vals: NCollection_Array1_double): number
Returns the value of <me> (as a Real) by replacement of <vars> by <vals>. Raises NotEvaluable if <me> contains NamedUnknown not in <vars> or NumericError if result cannot be computed.
Parameters (2)
- vars
- vals
String(): TCollection_AsciiString
returns a string representing <me> in a readable way.
DynamicType(): Standard_Type

Expr_ArcCosine

Expr_UnaryExpressionExpr_GeneralExpressionStandard_Transient

Constructors(1)

constructor(exp: Expr_GeneralExpression): Expr_ArcCosine
Creates the Arccos of <exp>.
Parameters (1)
- exp

Static methods(2)

get_type_name(): string
get_type_descriptor(): Standard_Type

Instance methods(8)

ShallowSimplified(): Expr_GeneralExpression
Returns a GeneralExpression after a simplification of the arguments of <me>.
Copy(): Expr_GeneralExpression
Returns a copy of <me> having the same unknowns and functions.
IsIdentical(Other: Expr_GeneralExpression): boolean
Tests if <me> and <Other> define the same expression. This method does not include any simplification before testing.
Parameters (1)
- Other
IsLinear(): boolean
Tests if <me> is linear on every NamedUnknown it contains.
Derivative(X: Expr_NamedUnknown): Expr_GeneralExpression
Returns the derivative on <X> unknown of <me>.
Parameters (1)
- X
Evaluate(vars: NCollection_Array1_handle_Expr_NamedUnknown, vals: NCollection_Array1_double): number
Returns the value of <me> (as a Real) by replacement of <vars> by <vals>. Raises NotEvaluable if <me> contains NamedUnknown not in <vars> or NumericError if result cannot be computed.
Parameters (2)
- vars
- vals
String(): TCollection_AsciiString
returns a string representing <me> in a readable way.
DynamicType(): Standard_Type

Expr_ArcSine

Expr_UnaryExpressionExpr_GeneralExpressionStandard_Transient

Constructors(1)

constructor(exp: Expr_GeneralExpression): Expr_ArcSine
Creates the Arcsin of <exp>.
Parameters (1)
- exp

Static methods(2)

get_type_name(): string
get_type_descriptor(): Standard_Type

Instance methods(8)

ShallowSimplified(): Expr_GeneralExpression
Returns a GeneralExpression after a simplification of the arguments of <me>.
Copy(): Expr_GeneralExpression
Returns a copy of <me> having the same unknowns and functions.
IsIdentical(Other: Expr_GeneralExpression): boolean
Tests if <me> and <Other> define the same expression. This method does not include any simplification before testing.
Parameters (1)
- Other
IsLinear(): boolean
Tests if <me> is linear on every NamedUnknown it contains.
Derivative(X: Expr_NamedUnknown): Expr_GeneralExpression
Returns the derivative on <X> unknown of <me>.
Parameters (1)
- X
Evaluate(vars: NCollection_Array1_handle_Expr_NamedUnknown, vals: NCollection_Array1_double): number
Returns the value of <me> (as a Real) by replacement of <vars> by <vals>. Raises NotEvaluable if <me> contains NamedUnknown not in <vars> or NumericError if result cannot be computed.
Parameters (2)
- vars
- vals
String(): TCollection_AsciiString
returns a string representing <me> in a readable way.
DynamicType(): Standard_Type

Expr_ArcTangent

Expr_UnaryExpressionExpr_GeneralExpressionStandard_Transient

Constructors(1)

constructor(exp: Expr_GeneralExpression): Expr_ArcTangent
Creates the Arctan of <exp>.
Parameters (1)
- exp

Static methods(2)

get_type_name(): string
get_type_descriptor(): Standard_Type

Instance methods(8)

ShallowSimplified(): Expr_GeneralExpression
Returns a GeneralExpression after a simplification of the arguments of <me>.
Copy(): Expr_GeneralExpression
Returns a copy of <me> having the same unknowns and functions.
IsIdentical(Other: Expr_GeneralExpression): boolean
Tests if <me> and <Other> define the same expression. This method does not include any simplification before testing.
Parameters (1)
- Other
IsLinear(): boolean
Tests if <me> is linear on every NamedUnknown it contains.
Derivative(X: Expr_NamedUnknown): Expr_GeneralExpression
Returns the derivative on <X> unknown of <me>.
Parameters (1)
- X
Evaluate(vars: NCollection_Array1_handle_Expr_NamedUnknown, vals: NCollection_Array1_double): number
Returns the value of <me> (as a Real) by replacement of <vars> by <vals>. Raises NotEvaluable if <me> contains NamedUnknown not in <vars> or NumericError if result cannot be computed.
Parameters (2)
- vars
- vals
String(): TCollection_AsciiString
returns a string representing <me> in a readable way.
DynamicType(): Standard_Type

Expr_ArgCosh

Expr_UnaryExpressionExpr_GeneralExpressionStandard_Transient

Constructors(1)

constructor(exp: Expr_GeneralExpression): Expr_ArgCosh
Creates the ArgCosh of <exp>.
Parameters (1)
- exp

Static methods(2)

get_type_name(): string
get_type_descriptor(): Standard_Type

Instance methods(8)

ShallowSimplified(): Expr_GeneralExpression
Returns a GeneralExpression after a simplification of the arguments of <me>.
Copy(): Expr_GeneralExpression
Returns a copy of <me> having the same unknowns and functions.
IsIdentical(Other: Expr_GeneralExpression): boolean
Tests if <me> and <Other> define the same expression. This method does not include any simplification before testing.
Parameters (1)
- Other
IsLinear(): boolean
Tests if <me> is linear on every NamedUnknown it contains.
Derivative(X: Expr_NamedUnknown): Expr_GeneralExpression
Returns the derivative on <X> unknown of <me>.
Parameters (1)
- X
Evaluate(vars: NCollection_Array1_handle_Expr_NamedUnknown, vals: NCollection_Array1_double): number
Returns the value of <me> (as a Real) by replacement of <vars> by <vals>. Raises NotEvaluable if <me> contains NamedUnknown not in <vars> or NumericError if result cannot be computed.
Parameters (2)
- vars
- vals
String(): TCollection_AsciiString
returns a string representing <me> in a readable way.
DynamicType(): Standard_Type

Expr_ArgSinh

Expr_UnaryExpressionExpr_GeneralExpressionStandard_Transient

Constructors(1)

constructor(exp: Expr_GeneralExpression): Expr_ArgSinh
Creates the ArgSinh of <exp>.
Parameters (1)
- exp

Static methods(2)

get_type_name(): string
get_type_descriptor(): Standard_Type

Instance methods(8)

ShallowSimplified(): Expr_GeneralExpression
Returns a GeneralExpression after a simplification of the arguments of <me>.
Copy(): Expr_GeneralExpression
Returns a copy of <me> having the same unknowns and functions.
IsIdentical(Other: Expr_GeneralExpression): boolean
Tests if <me> and <Other> define the same expression. This method does not include any simplification before testing.
Parameters (1)
- Other
IsLinear(): boolean
Tests if <me> is linear on every NamedUnknown it contains.
Derivative(X: Expr_NamedUnknown): Expr_GeneralExpression
Returns the derivative on <X> unknown of <me>.
Parameters (1)
- X
Evaluate(vars: NCollection_Array1_handle_Expr_NamedUnknown, vals: NCollection_Array1_double): number
Returns the value of <me> (as a Real) by replacement of <vars> by <vals>. Raises NotEvaluable if <me> contains NamedUnknown not in <vars> or NumericError if result cannot be computed.
Parameters (2)
- vars
- vals
String(): TCollection_AsciiString
returns a string representing <me> in a readable way.
DynamicType(): Standard_Type

Expr_ArgTanh

Expr_UnaryExpressionExpr_GeneralExpressionStandard_Transient

Constructors(1)

constructor(exp: Expr_GeneralExpression): Expr_ArgTanh
Creates the Argtanh of <exp>.
Parameters (1)
- exp

Static methods(2)

get_type_name(): string
get_type_descriptor(): Standard_Type

Instance methods(8)

ShallowSimplified(): Expr_GeneralExpression
Returns a GeneralExpression after a simplification of the arguments of <me>.
Copy(): Expr_GeneralExpression
Returns a copy of <me> having the same unknowns and functions.
IsIdentical(Other: Expr_GeneralExpression): boolean
Tests if <me> and <Other> define the same expression. This method does not include any simplification before testing.
Parameters (1)
- Other
IsLinear(): boolean
Tests if <me> is linear on every NamedUnknown it contains.
Derivative(X: Expr_NamedUnknown): Expr_GeneralExpression
Returns the derivative on <X> unknown of <me>.
Parameters (1)
- X
Evaluate(vars: NCollection_Array1_handle_Expr_NamedUnknown, vals: NCollection_Array1_double): number
Returns the value of <me> (as a Real) by replacement of <vars> by <vals>. Raises NotEvaluable if <me> contains NamedUnknown not in <vars> or NumericError if result cannot be computed.
Parameters (2)
- vars
- vals
String(): TCollection_AsciiString
returns a string representing <me> in a readable way.
DynamicType(): Standard_Type

Expr_BinaryExpression

Expr_GeneralExpressionStandard_Transient

Defines all binary expressions. The order of the two operands is significant.

Static methods(2)

get_type_name(): string
get_type_descriptor(): Standard_Type

Instance methods(11)

FirstOperand(): Expr_GeneralExpression
SecondOperand(): Expr_GeneralExpression
SetFirstOperand(exp: Expr_GeneralExpression): void
Sets first operand of <me> Raises InvalidOperand if exp = me.
Parameters (1)
- exp
SetSecondOperand(exp: Expr_GeneralExpression): void
Sets second operand of <me> Raises InvalidOperand if <exp> contains <me>.
Parameters (1)
- exp
NbSubExpressions(): number
returns the number of sub-expressions contained in <me> ( >= 0)
SubExpression(I: number): Expr_GeneralExpression
returns the -th sub-expression of <me> raises OutOfRange if > NbSubExpressions(me)
Parameters (1)
- I
ContainsUnknowns(): boolean
Does <me> contain NamedUnknown ?
Contains(exp: Expr_GeneralExpression): boolean
Tests if <me> contains <exp>.
Parameters (1)
- exp
Replace(var_: Expr_NamedUnknown, with_: Expr_GeneralExpression): void
Replaces all occurrences of with <with> in <me>. Raises InvalidOperand if <with> contains <me>.
Parameters (2)
- var_
- with_
Simplified(): Expr_GeneralExpression
Returns a GeneralExpression after replacement of NamedUnknowns by an associated expression and after values computation.
DynamicType(): Standard_Type

Expr_BinaryFunction

Expr_BinaryExpressionExpr_GeneralExpressionStandard_Transient

Defines the use of a binary function in an expression with given arguments.

Constructors(1)

constructor(func: Expr_GeneralFunction, exp1: Expr_GeneralExpression, exp2: Expr_GeneralExpression): Expr_BinaryFunction
Creates <me> as <func> (<exp1>,<exp2>). Raises exception if <func> is not binary.
Parameters (3)
- func
- exp1
- exp2

Static methods(2)

get_type_name(): string
get_type_descriptor(): Standard_Type

Instance methods(9)

Function(): Expr_GeneralFunction
Returns the function defining <me>.
ShallowSimplified(): Expr_GeneralExpression
Returns a GeneralExpression after a simplification of the arguments of <me>.
Copy(): Expr_GeneralExpression
Returns a copy of <me> having the same unknowns and functions.
IsIdentical(Other: Expr_GeneralExpression): boolean
Tests if <me> and <Other> define the same expression. This method does not include any simplification before testing.
Parameters (1)
- Other
IsLinear(): boolean
Tests if <me> is linear on every NamedUnknown it contains.
Derivative(X: Expr_NamedUnknown): Expr_GeneralExpression
Returns the derivative on <X> unknown of <me>.
Parameters (1)
- X
Evaluate(vars: NCollection_Array1_handle_Expr_NamedUnknown, vals: NCollection_Array1_double): number
Returns the value of <me> (as a Real) by replacement of <vars> by <vals>. Raises NotEvaluable if <me> contains NamedUnknown not in <vars> or NumericError if result cannot be computed.
Parameters (2)
- vars
- vals
String(): TCollection_AsciiString
returns a string representing <me> in a readable way.
DynamicType(): Standard_Type

Expr_Cosh

Expr_UnaryExpressionExpr_GeneralExpressionStandard_Transient

Constructors(1)

constructor(exp: Expr_GeneralExpression): Expr_Cosh
Creates the Cosh of <exp>.
Parameters (1)
- exp

Static methods(2)

get_type_name(): string
get_type_descriptor(): Standard_Type

Instance methods(8)

ShallowSimplified(): Expr_GeneralExpression
Returns a GeneralExpression after a simplification of the arguments of <me>.
Copy(): Expr_GeneralExpression
Returns a copy of <me> having the same unknowns and functions.
IsIdentical(Other: Expr_GeneralExpression): boolean
Tests if <me> and <Other> define the same expression. This method does not include any simplification before testing.
Parameters (1)
- Other
IsLinear(): boolean
Tests if <me> is linear on every NamedUnknown it contains.
Derivative(X: Expr_NamedUnknown): Expr_GeneralExpression
Returns the derivative on <X> unknown of <me>.
Parameters (1)
- X
Evaluate(vars: NCollection_Array1_handle_Expr_NamedUnknown, vals: NCollection_Array1_double): number
Returns the value of <me> (as a Real) by replacement of <vars> by <vals>. Raises NotEvaluable if <me> contains NamedUnknown not in <vars> or NumericError if result cannot be computed.
Parameters (2)
- vars
- vals
String(): TCollection_AsciiString
returns a string representing <me> in a readable way.
DynamicType(): Standard_Type

Expr_Cosine

Expr_UnaryExpressionExpr_GeneralExpressionStandard_Transient

Constructors(1)

constructor(Exp: Expr_GeneralExpression): Expr_Cosine
Creates the cosine of Exp.
Parameters (1)
- Exp

Static methods(2)

get_type_name(): string
get_type_descriptor(): Standard_Type

Instance methods(8)

ShallowSimplified(): Expr_GeneralExpression
Returns a GeneralExpression after a simplification of the arguments of <me>.
Copy(): Expr_GeneralExpression
Returns a copy of <me> having the same unknowns and functions.
IsIdentical(Other: Expr_GeneralExpression): boolean
Tests if <me> and <Other> define the same expression. This method does not include any simplification before testing.
Parameters (1)
- Other
IsLinear(): boolean
Tests if <me> is linear on every NamedUnknown it contains.
Derivative(X: Expr_NamedUnknown): Expr_GeneralExpression
Returns the derivative on <X> unknown of <me>.
Parameters (1)
- X
Evaluate(vars: NCollection_Array1_handle_Expr_NamedUnknown, vals: NCollection_Array1_double): number
Returns the value of <me> (as a Real) by replacement of <vars> by <vals>. Raises NotEvaluable if <me> contains NamedUnknown not in <vars> or NumericError if result cannot be computed.
Parameters (2)
- vars
- vals
String(): TCollection_AsciiString
returns a string representing <me> in a readable way.
DynamicType(): Standard_Type

Expr_Difference

Expr_BinaryExpressionExpr_GeneralExpressionStandard_Transient

Constructors(1)

constructor(exp1: Expr_GeneralExpression, exp2: Expr_GeneralExpression): Expr_Difference
Creates the difference <exp1> - <exp2>.
Parameters (2)
- exp1
- exp2

Static methods(2)

get_type_name(): string
get_type_descriptor(): Standard_Type

Instance methods(9)

ShallowSimplified(): Expr_GeneralExpression
Returns a GeneralExpression after a simplification of the arguments of <me>.
Copy(): Expr_GeneralExpression
Returns a copy of <me> having the same unknowns and functions.
IsIdentical(Other: Expr_GeneralExpression): boolean
Tests if <me> and <Other> define the same expression. This method does not include any simplification before testing.
Parameters (1)
- Other
IsLinear(): boolean
Tests if <me> is linear on every NamedUnknown it contains.
Derivative(X: Expr_NamedUnknown): Expr_GeneralExpression
Returns the derivative on <X> unknown of <me>.
Parameters (1)
- X
NDerivative(X: Expr_NamedUnknown, N: number): Expr_GeneralExpression
Returns the <N>-th derivative on <X> unknown of <me>. Raises OutOfRange if <N> <= 0.
Parameters (2)
- X
- N
Evaluate(vars: NCollection_Array1_handle_Expr_NamedUnknown, vals: NCollection_Array1_double): number
Returns the value of <me> (as a Real) by replacement of <vars> by <vals>. Raises NotEvaluable if <me> contains NamedUnknown not in <vars> or NumericError if result cannot be computed.
Parameters (2)
- vars
- vals
String(): TCollection_AsciiString
returns a string representing <me> in a readable way.
DynamicType(): Standard_Type

Expr_Different

Expr_SingleRelationExpr_GeneralRelationStandard_Transient

Constructors(1)

constructor(exp1: Expr_GeneralExpression, exp2: Expr_GeneralExpression): Expr_Different
Creates the relation <exp1> # <exp2>.
Parameters (2)
- exp1
- exp2

Static methods(2)

get_type_name(): string
get_type_descriptor(): Standard_Type

Instance methods(6)

IsSatisfied(): boolean
Returns the current status of the relation.
Simplified(): Expr_GeneralRelation
Returns a GeneralRelation after replacement of NamedUnknowns by an associated expression, and after values computation.
Simplify(): void
Replaces NamedUnknowns by associated expressions, and computes values in <me>.
Copy(): Expr_GeneralRelation
Returns a copy of <me> having the same unknowns and functions.
String(): TCollection_AsciiString
returns a string representing <me> in a readable way.
DynamicType(): Standard_Type

Expr_Division

Expr_BinaryExpressionExpr_GeneralExpressionStandard_Transient

Constructors(1)

constructor(exp1: Expr_GeneralExpression, exp2: Expr_GeneralExpression): Expr_Division
Creates the division <exp1>/<exp2>.
Parameters (2)
- exp1
- exp2

Static methods(2)

get_type_name(): string
get_type_descriptor(): Standard_Type

Instance methods(8)

ShallowSimplified(): Expr_GeneralExpression
Returns a GeneralExpression after a simplification of the arguments of <me>.
Copy(): Expr_GeneralExpression
Returns a copy of <me> having the same unknowns and functions.
IsIdentical(Other: Expr_GeneralExpression): boolean
Tests if <me> and <Other> define the same expression. This method does not include any simplification before testing.
Parameters (1)
- Other
IsLinear(): boolean
Tests if <me> is linear on every NamedUnknown it contains.
Derivative(X: Expr_NamedUnknown): Expr_GeneralExpression
Returns the derivative on <X> unknown of <me>.
Parameters (1)
- X
Evaluate(vars: NCollection_Array1_handle_Expr_NamedUnknown, vals: NCollection_Array1_double): number
Returns the value of <me> (as a Real) by replacement of <vars> by <vals>. Raises NotEvaluable if <me> contains NamedUnknown not in <vars> or NumericError if result cannot be computed.
Parameters (2)
- vars
- vals
String(): TCollection_AsciiString
returns a string representing <me> in a readable way.
DynamicType(): Standard_Type

Expr_Equal

Expr_SingleRelationExpr_GeneralRelationStandard_Transient

Constructors(1)

constructor(exp1: Expr_GeneralExpression, exp2: Expr_GeneralExpression): Expr_Equal
Creates the relation <exp1> = <exp2>.
Parameters (2)
- exp1
- exp2

Static methods(2)

get_type_name(): string
get_type_descriptor(): Standard_Type

Instance methods(6)

IsSatisfied(): boolean
Returns the current status of the relation.
Simplified(): Expr_GeneralRelation
returns a GeneralRelation after replacement of NamedUnknowns by an associated expression and after values computation.
Simplify(): void
Replaces NamedUnknowns by an associated expressions and computes values in <me>.
Copy(): Expr_GeneralRelation
Returns a copy of <me> having the same unknowns and functions.
String(): TCollection_AsciiString
returns a string representing <me> in a readable way.
DynamicType(): Standard_Type

Expr_Exponential

Expr_UnaryExpressionExpr_GeneralExpressionStandard_Transient

Constructors(1)

constructor(exp: Expr_GeneralExpression): Expr_Exponential
Creates the exponential of <exp>.
Parameters (1)
- exp

Static methods(2)

get_type_name(): string
get_type_descriptor(): Standard_Type

Instance methods(8)

ShallowSimplified(): Expr_GeneralExpression
Returns a GeneralExpression after a simplification of the arguments of <me>.
Copy(): Expr_GeneralExpression
Returns a copy of <me> having the same unknowns and functions.
IsIdentical(Other: Expr_GeneralExpression): boolean
Tests if <me> and <Other> define the same expression. This method does not include any simplification before testing.
Parameters (1)
- Other
IsLinear(): boolean
Tests if <me> is linear on every NamedUnknown it contains.
Derivative(X: Expr_NamedUnknown): Expr_GeneralExpression
Returns the derivative on <X> unknown of <me>.
Parameters (1)
- X
Evaluate(vars: NCollection_Array1_handle_Expr_NamedUnknown, vals: NCollection_Array1_double): number
Returns the value of <me> (as a Real) by replacement of <vars> by <vals>. Raises NotEvaluable if <me> contains NamedUnknown not in <vars> or NumericError if result cannot be computed.
Parameters (2)
- vars
- vals
String(): TCollection_AsciiString
returns a string representing <me> in a readable way.
DynamicType(): Standard_Type

Expr_Exponentiate

Expr_BinaryExpressionExpr_GeneralExpressionStandard_Transient

Constructors(1)

constructor(exp1: Expr_GeneralExpression, exp2: Expr_GeneralExpression): Expr_Exponentiate
Creates the exponential <exp1> ^ <exp2>.
Parameters (2)
- exp1
- exp2

Static methods(2)

get_type_name(): string
get_type_descriptor(): Standard_Type

Instance methods(8)

ShallowSimplified(): Expr_GeneralExpression
Returns a GeneralExpression after a simplification of the arguments of <me>.
Copy(): Expr_GeneralExpression
Returns a copy of <me> having the same unknowns and functions.
IsIdentical(Other: Expr_GeneralExpression): boolean
Tests if <me> and <Other> define the same expression. This method does not include any simplification before testing.
Parameters (1)
- Other
IsLinear(): boolean
Tests if <me> is linear on every NamedUnknown it contains.
Derivative(X: Expr_NamedUnknown): Expr_GeneralExpression
Returns the derivative on <X> unknown of <me>.
Parameters (1)
- X
Evaluate(vars: NCollection_Array1_handle_Expr_NamedUnknown, vals: NCollection_Array1_double): number
Returns the value of <me> (as a Real) by replacement of <vars> by <vals>. Raises NotEvaluable if <me> contains NamedUnknown not in <vars> or NumericError if result cannot be computed.
Parameters (2)
- vars
- vals
String(): TCollection_AsciiString
returns a string representing <me> in a readable way.
DynamicType(): Standard_Type

Expr_ExprFailure

Standard_Failureexception

Constructors(2)

constructor(theMessage: string): Expr_ExprFailure
Parameters (1)
- theMessage
constructor(theMessage: string, theStackTrace: string): Expr_ExprFailure
Parameters (2)
- theMessage
- theStackTrace

Instance methods(1)

ExceptionType(): string

Expr_FunctionDerivative

Expr_GeneralFunctionStandard_Transient

Constructors(1)

constructor(func: Expr_GeneralFunction, withX: Expr_NamedUnknown, deg: number): Expr_FunctionDerivative
Creates a FunctionDerivative of degree <deg> relative to the <withX> variable. Raises OutOfRange if <deg> lower or equal to zero.
Parameters (3)
- func
- withX
- deg

Static methods(2)

get_type_name(): string
get_type_descriptor(): Standard_Type

Instance methods(15)

NbOfVariables(): number
Returns the number of variables of <me>.
Variable(index: number): Expr_NamedUnknown
Returns the variable denoted by <index> in <me>. Raises OutOfRange if <index> greater than NbOfVariables of <me>.
Parameters (1)
- index
Evaluate(vars: NCollection_Array1_handle_Expr_NamedUnknown, vals: NCollection_Array1_double): number
Computes the value of <me> with the given variables. Raises DimensionMismatch if Length(vars) is different from Length(values).
Parameters (2)
- vars
- vals
Copy(): Expr_GeneralFunction
Returns a copy of <me> with the same form.
Derivative(var_: Expr_NamedUnknown): Expr_GeneralFunction
Returns Derivative of <me> for variable .
Parameters (1)
- var_
Derivative(var_: Expr_NamedUnknown, deg: number): Expr_GeneralFunction
Returns Derivative of <me> for variable with degree <deg>.
Parameters (2)
- var_
- deg
IsIdentical(func: Expr_GeneralFunction): boolean
Tests if <me> and <func> are similar functions (same name and same used expression).
Parameters (1)
- func
IsLinearOnVariable(index: number): boolean
Tests if <me> is linear on variable on range <index>.
Parameters (1)
- index
Function(): Expr_GeneralFunction
Returns the function of which <me> is the derivative.
Degree(): number
Returns the degree of derivation of <me>.
DerivVariable(): Expr_NamedUnknown
Returns the derivation variable of <me>.
GetStringName(): TCollection_AsciiString
Expression(): Expr_GeneralExpression
UpdateExpression(): void
DynamicType(): Standard_Type

Expr_GeneralExpression

Standard_Transient

Defines the general purposes of any expression.

Static methods(2)

get_type_name(): string
get_type_descriptor(): Standard_Type

Instance methods(17)

NbSubExpressions(): number
Returns the number of sub-expressions contained in <me> ( >= 0).
SubExpression(I: number): Expr_GeneralExpression
Returns the -th sub-expression of <me> raises OutOfRange if > NbSubExpressions(me).
Parameters (1)
- I
Simplified(): Expr_GeneralExpression
Returns a GeneralExpression after replacement of NamedUnknowns by an associated expression and after values computation.
ShallowSimplified(): Expr_GeneralExpression
Returns a GeneralExpression after a simplification of the arguments of <me>.
Copy(): Expr_GeneralExpression
Returns a copy of <me> having the same unknowns and functions.
ContainsUnknowns(): boolean
Tests if <me> contains NamedUnknowns.
Contains(exp: Expr_GeneralExpression): boolean
Tests if <exp> is contained in <me>.
Parameters (1)
- exp
IsLinear(): boolean
Tests if <me> is linear on every NamedUnknown it contains.
IsShareable(): boolean
Tests if <me> can be shared by one or more expressions or must be copied. This method returns False as a default value. To be redefined ( especially for NamedUnknown).
IsIdentical(Other: Expr_GeneralExpression): boolean
Tests if <me> and <Other> define the same expression. Warning: This method does not include any simplification before testing. It could also be very slow; to be used carefully.
Parameters (1)
- Other
Derivative(X: Expr_NamedUnknown): Expr_GeneralExpression
Returns the derivative on <X> unknown of <me>.
Parameters (1)
- X
NDerivative(X: Expr_NamedUnknown, N: number): Expr_GeneralExpression
Returns the <N>-th derivative on <X> unknown of <me>. Raise OutOfRange if N <= 0.
Parameters (2)
- X
- N
Replace(var_: Expr_NamedUnknown, with_: Expr_GeneralExpression): void
Replaces all occurrences of with copies of <with> in <me>. Copies of <with> are made with the Copy() method. Raises InvalidOperand if <with> contains <me>.
Parameters (2)
- var_
- with_
Evaluate(vars: NCollection_Array1_handle_Expr_NamedUnknown, vals: NCollection_Array1_double): number
Returns the value of <me> (as a Real) by replacement of <vars> by <vals>. Raises NotEvaluable if <me> contains NamedUnknown not in <vars> or NumericError if result cannot be computed.
Parameters (2)
- vars
- vals
EvaluateNumeric(): number
Returns the value of <me> (as a Real) by replacement of <vars> by <vals>. Raises NotEvaluable if <me> contains NamedUnknown not in <vars> or NumericError if result cannot be computed.
String(): TCollection_AsciiString
returns a string representing <me> in a readable way.
DynamicType(): Standard_Type

Expr_GeneralFunction

Standard_Transient

Defines the general purposes of any function.

Static methods(2)

get_type_name(): string
get_type_descriptor(): Standard_Type

Instance methods(10)

NbOfVariables(): number
Returns the number of variables of <me>.
Variable(index: number): Expr_NamedUnknown
Returns the variable denoted by <index> in <me>. Raises OutOfRange if index > NbOfVariables.
Parameters (1)
- index
Copy(): Expr_GeneralFunction
Returns a copy of <me> with the same form.
Derivative(var_: Expr_NamedUnknown): Expr_GeneralFunction
Returns Derivative of <me> for variable .
Parameters (1)
- var_
Derivative(var_: Expr_NamedUnknown, deg: number): Expr_GeneralFunction
Returns Derivative of <me> for variable with degree <deg>.
Parameters (2)
- var_
- deg
Evaluate(vars: NCollection_Array1_handle_Expr_NamedUnknown, vals: NCollection_Array1_double): number
Computes the value of <me> with the given variables. Raises NotEvaluable if <vars> does not match all variables of <me>.
Parameters (2)
- vars
- vals
IsIdentical(func: Expr_GeneralFunction): boolean
Tests if <me> and <func> are similar functions (same name and same used expression).
Parameters (1)
- func
IsLinearOnVariable(index: number): boolean
Tests if <me> is linear on variable on range <index>.
Parameters (1)
- index
GetStringName(): TCollection_AsciiString
DynamicType(): Standard_Type

Expr_GeneralRelation

Standard_Transient

Defines the general purposes of any relation between expressions.

Static methods(2)

get_type_name(): string
get_type_descriptor(): Standard_Type

Instance methods(12)

IsSatisfied(): boolean
Returns the current status of the relation.
IsLinear(): boolean
Tests if <me> is linear between its NamedUnknowns.
Simplified(): Expr_GeneralRelation
Returns a GeneralRelation after replacement of NamedUnknowns by an associated expression, and after values computation.
Simplify(): void
Replaces NamedUnknowns by associated expressions, and computes values in <me>.
Copy(): Expr_GeneralRelation
Returns a copy of <me> having the same unknowns and functions.
NbOfSubRelations(): number
Returns the number of relations contained in <me>.
NbOfSingleRelations(): number
Returns the number of SingleRelations contained in <me>.
SubRelation(index: number): Expr_GeneralRelation
Returns the relation denoted by <index> in <me>. An exception is raised if <index> is out of range.
Parameters (1)
- index
Contains(exp: Expr_GeneralExpression): boolean
Tests if <exp> contains .
Parameters (1)
- exp
Replace(var_: Expr_NamedUnknown, with_: Expr_GeneralExpression): void
Replaces all occurrences of with <with> in <me>.
Parameters (2)
- var_
- with_
String(): TCollection_AsciiString
returns a string representing <me> in a readable way.
DynamicType(): Standard_Type

Expr_GreaterThan

Expr_SingleRelationExpr_GeneralRelationStandard_Transient

Constructors(1)

constructor(exp1: Expr_GeneralExpression, exp2: Expr_GeneralExpression): Expr_GreaterThan
Creates the relation <exp1> > <exp2>.
Parameters (2)
- exp1
- exp2

Static methods(2)

get_type_name(): string
get_type_descriptor(): Standard_Type

Instance methods(6)

IsSatisfied(): boolean
Returns the current status of the relation.
Simplified(): Expr_GeneralRelation
Returns a GeneralRelation after replacement of NamedUnknowns by an associated expression, and after values computation.
Simplify(): void
Replaces NamedUnknowns by associated expressions, and computes values in <me>.
Copy(): Expr_GeneralRelation
Returns a copy of <me> having the same unknowns and functions.
String(): TCollection_AsciiString
returns a string representing <me> in a readable way.
DynamicType(): Standard_Type

Expr_GreaterThanOrEqual

Expr_SingleRelationExpr_GeneralRelationStandard_Transient

Constructors(1)

constructor(exp1: Expr_GeneralExpression, exp2: Expr_GeneralExpression): Expr_GreaterThanOrEqual
Creates the relation <exp1> >= <exp2>.
Parameters (2)
- exp1
- exp2

Static methods(2)

get_type_name(): string
get_type_descriptor(): Standard_Type

Instance methods(6)

IsSatisfied(): boolean
Returns the current status of the relation.
Simplified(): Expr_GeneralRelation
Returns a GeneralRelation after replacement of NamedUnknowns by an associated expression, and after values computation.
Simplify(): void
Replaces NamedUnknowns by associated expressions, and computes values in <me>.
Copy(): Expr_GeneralRelation
Returns a copy of <me> having the same unknowns and functions.
String(): TCollection_AsciiString
returns a string representing <me> in a readable way.
DynamicType(): Standard_Type

Expr_InvalidAssignment

Expr_ExprFailureStandard_Failureexception

Constructors(2)

constructor(theMessage: string): Expr_InvalidAssignment
Parameters (1)
- theMessage
constructor(theMessage: string, theStackTrace: string): Expr_InvalidAssignment
Parameters (2)
- theMessage
- theStackTrace

Instance methods(1)

ExceptionType(): string

Expr_InvalidFunction

Expr_ExprFailureStandard_Failureexception

Constructors(2)

constructor(theMessage: string): Expr_InvalidFunction
Parameters (1)
- theMessage
constructor(theMessage: string, theStackTrace: string): Expr_InvalidFunction
Parameters (2)
- theMessage
- theStackTrace

Instance methods(1)

ExceptionType(): string

Expr_InvalidOperand

Expr_ExprFailureStandard_Failureexception

Constructors(2)

constructor(theMessage: string): Expr_InvalidOperand
Parameters (1)
- theMessage
constructor(theMessage: string, theStackTrace: string): Expr_InvalidOperand
Parameters (2)
- theMessage
- theStackTrace

Instance methods(1)

ExceptionType(): string

Expr_LessThan

Expr_SingleRelationExpr_GeneralRelationStandard_Transient

Constructors(1)

constructor(exp1: Expr_GeneralExpression, exp2: Expr_GeneralExpression): Expr_LessThan
Creates the relation <exp1> < <exp2>.
Parameters (2)
- exp1
- exp2

Static methods(2)

get_type_name(): string
get_type_descriptor(): Standard_Type

Instance methods(6)

IsSatisfied(): boolean
Returns the current status of the relation.
Simplified(): Expr_GeneralRelation
Returns a GeneralRelation after replacement of NamedUnknowns by an associated expression, and after values computation.
Simplify(): void
Replaces NamedUnknowns by associated expressions, and computes values in <me>.
Copy(): Expr_GeneralRelation
Returns a copy of <me> having the same unknowns and functions.
String(): TCollection_AsciiString
returns a string representing <me> in a readable way.
DynamicType(): Standard_Type

Expr_LessThanOrEqual

Expr_SingleRelationExpr_GeneralRelationStandard_Transient

Constructors(1)

constructor(exp1: Expr_GeneralExpression, exp2: Expr_GeneralExpression): Expr_LessThanOrEqual
Creates the relation <exp1> <= <exp2>.
Parameters (2)
- exp1
- exp2

Static methods(2)

get_type_name(): string
get_type_descriptor(): Standard_Type

Instance methods(6)

IsSatisfied(): boolean
Returns the current status of the relation.
Simplified(): Expr_GeneralRelation
Returns a GeneralRelation after replacement of NamedUnknowns by an associated expression, and after values computation.
Simplify(): void
Replaces NamedUnknowns by associated expressions, and computes values in <me>.
Copy(): Expr_GeneralRelation
Returns a copy of <me> having the same unknowns and functions.
String(): TCollection_AsciiString
returns a string representing <me> in a readable way.
DynamicType(): Standard_Type

Expr_LogOf10

Expr_UnaryExpressionExpr_GeneralExpressionStandard_Transient

Constructors(1)

constructor(exp: Expr_GeneralExpression): Expr_LogOf10
Creates the base 10 logarithm of <exp>.
Parameters (1)
- exp

Static methods(2)

get_type_name(): string
get_type_descriptor(): Standard_Type

Instance methods(8)

ShallowSimplified(): Expr_GeneralExpression
Returns a GeneralExpression after a simplification of the arguments of <me>.
Copy(): Expr_GeneralExpression
Returns a copy of <me> having the same unknowns and functions.
IsIdentical(Other: Expr_GeneralExpression): boolean
Tests if <me> and <Other> define the same expression. This method does not include any simplification before testing.
Parameters (1)
- Other
IsLinear(): boolean
Tests if <me> is linear on every NamedUnknown it contains.
Derivative(X: Expr_NamedUnknown): Expr_GeneralExpression
Returns the derivative on <X> unknown of <me>.
Parameters (1)
- X
Evaluate(vars: NCollection_Array1_handle_Expr_NamedUnknown, vals: NCollection_Array1_double): number
Returns the value of <me> (as a Real) by replacement of <vars> by <vals>. Raises NotEvaluable if <me> contains NamedUnknown not in <vars> or NumericError if result cannot be computed.
Parameters (2)
- vars
- vals
String(): TCollection_AsciiString
returns a string representing <me> in a readable way.
DynamicType(): Standard_Type

Expr_LogOfe

Expr_UnaryExpressionExpr_GeneralExpressionStandard_Transient

Constructors(1)

constructor(exp: Expr_GeneralExpression): Expr_LogOfe
Creates the natural logarithm of <exp>.
Parameters (1)
- exp

Static methods(2)

get_type_name(): string
get_type_descriptor(): Standard_Type

Instance methods(8)

ShallowSimplified(): Expr_GeneralExpression
Returns a GeneralExpression after a simplification of the arguments of <me>.
Copy(): Expr_GeneralExpression
Returns a copy of <me> having the same unknowns and functions.
IsIdentical(Other: Expr_GeneralExpression): boolean
Tests if <me> and <Other> define the same expression. This method does not include any simplification before testing.
Parameters (1)
- Other
IsLinear(): boolean
Tests if <me> is linear on every NamedUnknown it contains.
Derivative(X: Expr_NamedUnknown): Expr_GeneralExpression
Returns the derivative on <X> unknown of <me>.
Parameters (1)
- X
Evaluate(vars: NCollection_Array1_handle_Expr_NamedUnknown, vals: NCollection_Array1_double): number
Returns the value of <me> (as a Real) by replacement of <vars> by <vals>. Raises NotEvaluable if <me> contains NamedUnknown not in <vars> or NumericError if result cannot be computed.
Parameters (2)
- vars
- vals
String(): TCollection_AsciiString
returns a string representing <me> in a readable way.
DynamicType(): Standard_Type

Expr_NamedConstant

Expr_NamedExpressionExpr_GeneralExpressionStandard_Transient

Describes any numeric constant known by a special name (as PI, e,...).

Constructors(1)

constructor(name: TCollection_AsciiString, value: number): Expr_NamedConstant
Creates a constant value of name <name> and value .
Parameters (2)
- name
- value

Static methods(2)

get_type_name(): string
get_type_descriptor(): Standard_Type

Instance methods(14)

GetValue(): number
NbSubExpressions(): number
returns the number of sub-expressions contained in <me> (always returns zero)
SubExpression(I: number): Expr_GeneralExpression
returns the -th sub-expression of <me> raises OutOfRange
Parameters (1)
- I
Simplified(): Expr_GeneralExpression
returns a GeneralExpression after replacement of NamedUnknowns by an associated expression and after values computation.
ShallowSimplified(): Expr_GeneralExpression
Returns a GeneralExpression after a simplification of the arguments of <me>.
Copy(): Expr_GeneralExpression
Returns a copy of <me> having the same unknowns and functions.
ContainsUnknowns(): boolean
Tests if <me> contains NamedUnknown. (returns always False).
Contains(exp: Expr_GeneralExpression): boolean
Tests if <exp> is contained in <me>.
Parameters (1)
- exp
IsLinear(): boolean
Tests if <me> is linear on every NamedUnknown it contains.
Derivative(X: Expr_NamedUnknown): Expr_GeneralExpression
Returns the derivative on <X> unknown of <me>.
Parameters (1)
- X
NDerivative(X: Expr_NamedUnknown, N: number): Expr_GeneralExpression
Returns the <N>-th derivative on <X> unknown of <me>. Raises OutOfRange if <N> <= 0.
Parameters (2)
- X
- N
Replace(var_: Expr_NamedUnknown, with_: Expr_GeneralExpression): void
Replaces all occurrences of with <with> in <me>.
Parameters (2)
- var_
- with_
Evaluate(vars: NCollection_Array1_handle_Expr_NamedUnknown, vals: NCollection_Array1_double): number
Returns the value of <me> (as a Real) by replacement of <vars> by <vals>.
Parameters (2)
- vars
- vals
DynamicType(): Standard_Type

Expr_NamedExpression

Expr_GeneralExpressionStandard_Transient

Describe an expression used by its name (as constants or variables). A single reference is made to a NamedExpression in every Expression (i.e. a NamedExpression is shared).

Static methods(2)

get_type_name(): string
get_type_descriptor(): Standard_Type

Instance methods(6)

GetName(): TCollection_AsciiString
SetName(name: TCollection_AsciiString): void
Parameters (1)
- name
IsShareable(): boolean
Tests if <me> can be shared by one or more expressions or must be copied. This method redefines to a True value the GeneralExpression method.
IsIdentical(Other: Expr_GeneralExpression): boolean
Tests if <me> and <Other> define the same expression. This method does not include any simplification before testing.
Parameters (1)
- Other
String(): TCollection_AsciiString
returns a string representing <me> in a readable way.
DynamicType(): Standard_Type

Expr_NamedFunction

Expr_GeneralFunctionStandard_Transient

Constructors(1)

constructor(name: TCollection_AsciiString, exp: Expr_GeneralExpression, vars: NCollection_Array1_handle_Expr_NamedUnknown): Expr_NamedFunction
Creates a function of given variables <vars> with name <name> defined by the expression <exp>.
Parameters (3)
- name
- exp
- vars

Static methods(2)

get_type_name(): string
get_type_descriptor(): Standard_Type

Instance methods(14)

SetName(newname: TCollection_AsciiString): void
Sets the name <newname> to <me>.
Parameters (1)
- newname
GetName(): TCollection_AsciiString
Returns the name assigned to <me>.
NbOfVariables(): number
Returns the number of variables of <me>.
Variable(index: number): Expr_NamedUnknown
Returns the variable denoted by <index> in <me>. Raises OutOfRange if <index> is greater than NbOfVariables of <me>, or less than or equal to zero.
Parameters (1)
- index
Evaluate(vars: NCollection_Array1_handle_Expr_NamedUnknown, vals: NCollection_Array1_double): number
Computes the value of <me> with the given variables. Raises DimensionMismatch if Length(vars) is different from Length(values).
Parameters (2)
- vars
- vals
Copy(): Expr_GeneralFunction
Returns a copy of <me> with the same form.
Derivative(var_: Expr_NamedUnknown): Expr_GeneralFunction
Returns Derivative of <me> for variable .
Parameters (1)
- var_
Derivative(var_: Expr_NamedUnknown, deg: number): Expr_GeneralFunction
Returns Derivative of <me> for variable with degree <deg>.
Parameters (2)
- var_
- deg
IsIdentical(func: Expr_GeneralFunction): boolean
Tests if <me> and <func> are similar functions (same name and same used expression).
Parameters (1)
- func
IsLinearOnVariable(index: number): boolean
Tests if <me> is linear on variable on range <index>.
Parameters (1)
- index
GetStringName(): TCollection_AsciiString
Expression(): Expr_GeneralExpression
Returns equivalent expression of <me>.
SetExpression(exp: Expr_GeneralExpression): void
Modifies expression of <me>. Warning: Beware of derivatives. See FunctionDerivative.
Parameters (1)
- exp
DynamicType(): Standard_Type

Expr_NamedUnknown

Expr_NamedExpressionExpr_GeneralExpressionStandard_Transient

This class describes any variable of an expression. Assignment is treated directly in this class.

Constructors(1)

constructor(name: TCollection_AsciiString): Expr_NamedUnknown
Parameters (1)
- name

Static methods(2)

get_type_name(): string
get_type_descriptor(): Standard_Type

Instance methods(16)

IsAssigned(): boolean
Tests if an expression is assigned to <me>.
AssignedExpression(): Expr_GeneralExpression
If exists, returns the assigned expression. An exception is raised if the expression does not exist.
Assign(exp: Expr_GeneralExpression): void
Assigns <me> to <exp> expression. Raises exception if <exp> refers to <me>.
Parameters (1)
- exp
Deassign(): void
Suppresses the assigned expression.
NbSubExpressions(): number
Returns the number of sub-expressions contained in <me> ( >= 0).
SubExpression(I: number): Expr_GeneralExpression
Returns the -th sub-expression of <me> raises OutOfRange if > NbSubExpressions(me).
Parameters (1)
- I
Simplified(): Expr_GeneralExpression
Returns a GeneralExpression after replacement of NamedUnknowns by an associated expression and after values computation.
ShallowSimplified(): Expr_GeneralExpression
Returns a GeneralExpression after a simplification of the arguments of <me>.
Copy(): Expr_GeneralExpression
Returns a copy of <me> having the same unknowns and functions.
ContainsUnknowns(): boolean
Tests if <me> contains NamedUnknown.
Contains(exp: Expr_GeneralExpression): boolean
Tests if <exp> is contained in <me>.
Parameters (1)
- exp
IsLinear(): boolean
Tests if <me> is linear on every NamedUnknown it contains.
Derivative(X: Expr_NamedUnknown): Expr_GeneralExpression
Returns the derivative on <X> unknown of <me>.
Parameters (1)
- X
Replace(var_: Expr_NamedUnknown, with_: Expr_GeneralExpression): void
Replaces all occurrences of with <with> in <me> Raises InvalidOperand if <with> contains <me>.
Parameters (2)
- var_
- with_
Evaluate(vars: NCollection_Array1_handle_Expr_NamedUnknown, vals: NCollection_Array1_double): number
Returns the value of <me> (as a Real) by replacement of <vars> by <vals>. Raises NotEvaluable if <me> contains NamedUnknown not in <vars> or NumericError if result cannot be computed.
Parameters (2)
- vars
- vals
DynamicType(): Standard_Type

Expr_NotAssigned

Expr_ExprFailureStandard_Failureexception

Constructors(2)

constructor(theMessage: string): Expr_NotAssigned
Parameters (1)
- theMessage
constructor(theMessage: string, theStackTrace: string): Expr_NotAssigned
Parameters (2)
- theMessage
- theStackTrace

Instance methods(1)

ExceptionType(): string

Expr_NotEvaluable

Expr_ExprFailureStandard_Failureexception

Constructors(2)

constructor(theMessage: string): Expr_NotEvaluable
Parameters (1)
- theMessage
constructor(theMessage: string, theStackTrace: string): Expr_NotEvaluable
Parameters (2)
- theMessage
- theStackTrace

Instance methods(1)

ExceptionType(): string

Expr_NumericValue

Expr_GeneralExpressionStandard_Transient

This class describes any reel value defined in an expression.

Constructors(1)

constructor(val: number): Expr_NumericValue
Parameters (1)
- val

Static methods(2)

get_type_name(): string
get_type_descriptor(): Standard_Type

Instance methods(17)

GetValue(): number
SetValue(val: number): void
Parameters (1)
- val
NbSubExpressions(): number
Returns the number of sub-expressions contained in <me> ( >= 0).
SubExpression(I: number): Expr_GeneralExpression
Returns the -th sub-expression of <me> raises OutOfRange if > NbSubExpressions(me).
Parameters (1)
- I
Simplified(): Expr_GeneralExpression
Returns a GeneralExpression after replacement of NamedUnknowns by an associated expression and after values computation.
ShallowSimplified(): Expr_GeneralExpression
Returns a GeneralExpression after a simplification of the arguments of <me>.
Copy(): Expr_GeneralExpression
Returns a copy of <me> having the same unknowns and functions.
ContainsUnknowns(): boolean
Tests if <me> contains NamedUnknown.
Contains(exp: Expr_GeneralExpression): boolean
Tests if <exp> is contained in <me>.
Parameters (1)
- exp
IsIdentical(Other: Expr_GeneralExpression): boolean
Tests if <me> and <Other> define the same expression. This method does not include any simplification before testing.
Parameters (1)
- Other
IsLinear(): boolean
Tests if <me> is linear on every NamedUnknown it contains.
Derivative(X: Expr_NamedUnknown): Expr_GeneralExpression
Returns the derivative on <X> unknown of <me>.
Parameters (1)
- X
NDerivative(X: Expr_NamedUnknown, N: number): Expr_GeneralExpression
Returns the <N>-th derivative on <X> unknown of <me>. Raises OutOfRange if <N> <= 0.
Parameters (2)
- X
- N
Replace(var_: Expr_NamedUnknown, with_: Expr_GeneralExpression): void
Replaces all occurrences of with <with> in <me>.
Parameters (2)
- var_
- with_
Evaluate(vars: NCollection_Array1_handle_Expr_NamedUnknown, vals: NCollection_Array1_double): number
Returns the value of <me> (as a Real) by replacement of <vars> by <vals>.
Parameters (2)
- vars
- vals
String(): TCollection_AsciiString
returns a string representing <me> in a readable way.
DynamicType(): Standard_Type

Expr_PolyExpression

Expr_GeneralExpressionStandard_Transient

Static methods(2)

get_type_name(): string
get_type_descriptor(): Standard_Type

Instance methods(10)

NbOperands(): number
returns the number of operands contained in <me>
Operand(index: number): Expr_GeneralExpression
Returns the <index>-th operand used in <me>. An exception is raised if index is out of range.
Parameters (1)
- index
SetOperand(exp: Expr_GeneralExpression, index: number): void
Sets the <index>-th operand used in <me>. An exception is raised if <index> is out of range Raises InvalidOperand if <exp> contains <me>.
Parameters (2)
- exp
- index
NbSubExpressions(): number
returns the number of sub-expressions contained in <me> ( >= 2)
SubExpression(I: number): Expr_GeneralExpression
Returns the sub-expression denoted by in <me> Raises OutOfRange if > NbSubExpressions(me).
Parameters (1)
- I
ContainsUnknowns(): boolean
Does <me> contains NamedUnknown ?
Contains(exp: Expr_GeneralExpression): boolean
Tests if <exp> is contained in <me>.
Parameters (1)
- exp
Replace(var_: Expr_NamedUnknown, with_: Expr_GeneralExpression): void
Replaces all occurrences of with <with> in <me> Raises InvalidOperand if <with> contains <me>.
Parameters (2)
- var_
- with_
Simplified(): Expr_GeneralExpression
Returns a GeneralExpression after replacement of NamedUnknowns by an associated expression and after values computation.
DynamicType(): Standard_Type

Expr_PolyFunction

Expr_PolyExpressionExpr_GeneralExpressionStandard_Transient

Defines the use of an n-ary function in an expression with given arguments.

Constructors(1)

constructor(func: Expr_GeneralFunction, exps: NCollection_Array1_handle_Expr_GeneralExpression): Expr_PolyFunction
Creates <me> as <func>(<exps_1>,<exps_2>,...,<exps_n>).
Parameters (2)
- func
- exps

Static methods(2)

get_type_name(): string
get_type_descriptor(): Standard_Type

Instance methods(9)

Function(): Expr_GeneralFunction
Returns the function defining <me>.
ShallowSimplified(): Expr_GeneralExpression
Returns a GeneralExpression after a simplification of the arguments of <me>.
Copy(): Expr_GeneralExpression
Returns a copy of <me> having the same unknowns and functions.
IsIdentical(Other: Expr_GeneralExpression): boolean
Tests if <me> and <Other> define the same expression. This method does not include any simplification before testing.
Parameters (1)
- Other
IsLinear(): boolean
Tests if <me> is linear on every NamedUnknown it contains.
Derivative(X: Expr_NamedUnknown): Expr_GeneralExpression
Returns the derivative on <X> unknown of <me>.
Parameters (1)
- X
Evaluate(vars: NCollection_Array1_handle_Expr_NamedUnknown, vals: NCollection_Array1_double): number
Returns the value of <me> (as a Real) by replacement of <vars> by <vals>. Raises NotEvaluable if <me> contains NamedUnknown not in <vars> or NumericError if result cannot be computed.
Parameters (2)
- vars
- vals
String(): TCollection_AsciiString
returns a string representing <me> in a readable way.
DynamicType(): Standard_Type

Expr_Product

Expr_PolyExpressionExpr_GeneralExpressionStandard_Transient

Constructors(2)

constructor(exps: NCollection_Sequence_handle_Expr_GeneralExpression): Expr_Product
Creates the product of all members of sequence <exps>.
Parameters (1)
- exps
constructor(exp1: Expr_GeneralExpression, exp2: Expr_GeneralExpression): Expr_Product
Creates the product of <exp1> and <exp2>.
Parameters (2)
- exp1
- exp2

Static methods(2)

get_type_name(): string
get_type_descriptor(): Standard_Type

Instance methods(8)

ShallowSimplified(): Expr_GeneralExpression
Returns a GeneralExpression after a simplification of the arguments of <me>.
Copy(): Expr_GeneralExpression
Returns a copy of <me> having the same unknowns and functions.
IsIdentical(Other: Expr_GeneralExpression): boolean
Tests if <me> and <Other> define the same expression. This method does not include any simplification before testing.
Parameters (1)
- Other
IsLinear(): boolean
Tests if <me> is linear on every NamedUnknown it contains.
Derivative(X: Expr_NamedUnknown): Expr_GeneralExpression
Returns the derivative on <X> unknown of <me>.
Parameters (1)
- X
Evaluate(vars: NCollection_Array1_handle_Expr_NamedUnknown, vals: NCollection_Array1_double): number
Returns the value of <me> (as a Real) by replacement of <vars> by <vals>. Raises NotEvaluable if <me> contains NamedUnknown not in <vars> or NumericError if result cannot be computed.
Parameters (2)
- vars
- vals
String(): TCollection_AsciiString
returns a string representing <me> in a readable way.
DynamicType(): Standard_Type

Expr_RelationIterator

Iterates on every basic relation contained in a GeneralRelation.

Constructors(1)

constructor(rel: Expr_GeneralRelation): Expr_RelationIterator
Parameters (1)
- rel

Instance methods(3)

More(): boolean
Returns False if no other relation remains.
Next(): void
Value(): Expr_SingleRelation
Returns current basic relation. Exception is raised if no more relation remains.

Expr_RUIterator

Iterates on NamedUnknowns in a GeneralRelation.

Constructors(1)

constructor(rel: Expr_GeneralRelation): Expr_RUIterator
Creates an iterator on every NamedUnknown contained in <rel>.
Parameters (1)
- rel

Instance methods(3)

More(): boolean
Returns False if on other unknown remains.
Next(): void
Value(): Expr_NamedUnknown
Returns current NamedUnknown. Raises exception if no more unknowns remain.

Expr_Sign

Expr_UnaryExpressionExpr_GeneralExpressionStandard_Transient

Constructors(1)

constructor(exp: Expr_GeneralExpression): Expr_Sign
Creates the sign of <exp>.
Parameters (1)
- exp

Static methods(2)

get_type_name(): string
get_type_descriptor(): Standard_Type

Instance methods(8)

ShallowSimplified(): Expr_GeneralExpression
Returns a GeneralExpression after a simplification of the arguments of <me>.
Copy(): Expr_GeneralExpression
Returns a copy of <me> having the same unknowns and functions.
IsIdentical(Other: Expr_GeneralExpression): boolean
Tests if <me> and <Other> define the same expression. This method does not include any simplification before testing.
Parameters (1)
- Other
IsLinear(): boolean
Tests if <me> is linear on every NamedUnknown it contains.
Derivative(X: Expr_NamedUnknown): Expr_GeneralExpression
Returns the derivative on <X> unknown of <me>.
Parameters (1)
- X
Evaluate(vars: NCollection_Array1_handle_Expr_NamedUnknown, vals: NCollection_Array1_double): number
Returns the value of <me> (as a Real) by replacement of <vars> by <vals>. Raises NotEvaluable if <me> contains NamedUnknown not in <vars> or NumericError if result cannot be computed.
Parameters (2)
- vars
- vals
String(): TCollection_AsciiString
returns a string representing <me> in a readable way.
DynamicType(): Standard_Type

Expr_Sine

Expr_UnaryExpressionExpr_GeneralExpressionStandard_Transient

Constructors(1)

constructor(exp: Expr_GeneralExpression): Expr_Sine
Creates the sine of <exp>.
Parameters (1)
- exp

Static methods(2)

get_type_name(): string
get_type_descriptor(): Standard_Type

Instance methods(8)

ShallowSimplified(): Expr_GeneralExpression
Returns a GeneralExpression after a simplification of the arguments of <me>.
Copy(): Expr_GeneralExpression
Returns a copy of <me> having the same unknowns and functions.
IsIdentical(Other: Expr_GeneralExpression): boolean
Tests if <me> and <Other> define the same expression. This method does not include any simplification before testing.
Parameters (1)
- Other
IsLinear(): boolean
Tests if <me> is linear on every NamedUnknown it contains.
Derivative(X: Expr_NamedUnknown): Expr_GeneralExpression
Returns the derivative on <X> unknown of <me>.
Parameters (1)
- X
Evaluate(vars: NCollection_Array1_handle_Expr_NamedUnknown, vals: NCollection_Array1_double): number
Returns the value of <me> (as a Real) by replacement of <vars> by <vals>. Raises NotEvaluable if <me> contains NamedUnknown not in <vars> or NumericError if result cannot be computed.
Parameters (2)
- vars
- vals
String(): TCollection_AsciiString
returns a string representing <me> in a readable way.
DynamicType(): Standard_Type

Expr_SingleRelation

Expr_GeneralRelationStandard_Transient

Static methods(2)

get_type_name(): string
get_type_descriptor(): Standard_Type

Instance methods(11)

SetFirstMember(exp: Expr_GeneralExpression): void
Defines the first member of the relation.
Parameters (1)
- exp
SetSecondMember(exp: Expr_GeneralExpression): void
Defines the second member of the relation.
Parameters (1)
- exp
FirstMember(): Expr_GeneralExpression
Returns the first member of the relation.
SecondMember(): Expr_GeneralExpression
Returns the second member of the relation.
IsLinear(): boolean
Tests if <me> is linear between its NamedUnknowns.
NbOfSubRelations(): number
Returns the number of relations contained in <me>.
NbOfSingleRelations(): number
Returns the number of SingleRelations contained in <me> (Always 1).
SubRelation(index: number): Expr_GeneralRelation
Returns the relation denoted by <index> in <me>. An exception is raised if index is out of range.
Parameters (1)
- index
Contains(exp: Expr_GeneralExpression): boolean
Tests if <me> contains <exp>.
Parameters (1)
- exp
Replace(var_: Expr_NamedUnknown, with_: Expr_GeneralExpression): void
Replaces all occurrences of with <with> in <me>.
Parameters (2)
- var_
- with_
DynamicType(): Standard_Type

Expr_Sinh

Expr_UnaryExpressionExpr_GeneralExpressionStandard_Transient

Constructors(1)

constructor(exp: Expr_GeneralExpression): Expr_Sinh
Creates the sinh of <exp>.
Parameters (1)
- exp

Static methods(2)

get_type_name(): string
get_type_descriptor(): Standard_Type

Instance methods(8)

ShallowSimplified(): Expr_GeneralExpression
Returns a GeneralExpression after a simplification of the arguments of <me>.
Copy(): Expr_GeneralExpression
Returns a copy of <me> having the same unknowns and functions.
IsIdentical(Other: Expr_GeneralExpression): boolean
Tests if <me> and <Other> define the same expression. This method does not include any simplification before testing.
Parameters (1)
- Other
IsLinear(): boolean
Tests if <me> is linear on every NamedUnknown it contains.
Derivative(X: Expr_NamedUnknown): Expr_GeneralExpression
Returns the derivative on <X> unknown of <me>.
Parameters (1)
- X
Evaluate(vars: NCollection_Array1_handle_Expr_NamedUnknown, vals: NCollection_Array1_double): number
Returns the value of <me> (as a Real) by replacement of <vars> by <vals>. Raises NotEvaluable if <me> contains NamedUnknown not in <vars> or NumericError if result cannot be computed.
Parameters (2)
- vars
- vals
String(): TCollection_AsciiString
returns a string representing <me> in a readable way.
DynamicType(): Standard_Type

Expr_Square

Expr_UnaryExpressionExpr_GeneralExpressionStandard_Transient

Constructors(1)

constructor(exp: Expr_GeneralExpression): Expr_Square
Creates the square of <exp>.
Parameters (1)
- exp

Static methods(2)

get_type_name(): string
get_type_descriptor(): Standard_Type

Instance methods(8)

ShallowSimplified(): Expr_GeneralExpression
Returns a GeneralExpression after a simplification of the arguments of <me>.
Copy(): Expr_GeneralExpression
Returns a copy of <me> having the same unknowns and functions.
IsIdentical(Other: Expr_GeneralExpression): boolean
Tests if <me> and <Other> define the same expression. This method does not include any simplification before testing.
Parameters (1)
- Other
IsLinear(): boolean
Tests if <me> is linear on every NamedUnknown it contains.
Derivative(X: Expr_NamedUnknown): Expr_GeneralExpression
Returns the derivative on <X> unknown of <me>.
Parameters (1)
- X
Evaluate(vars: NCollection_Array1_handle_Expr_NamedUnknown, vals: NCollection_Array1_double): number
Returns the value of <me> (as a Real) by replacement of <vars> by <vals>. Raises NotEvaluable if <me> contains NamedUnknown not in <vars> or NumericError if result cannot be computed.
Parameters (2)
- vars
- vals
String(): TCollection_AsciiString
returns a string representing <me> in a readable way.
DynamicType(): Standard_Type

Expr_SquareRoot

Expr_UnaryExpressionExpr_GeneralExpressionStandard_Transient

Constructors(1)

constructor(exp: Expr_GeneralExpression): Expr_SquareRoot
Creates the square root of <exp>.
Parameters (1)
- exp

Static methods(2)

get_type_name(): string
get_type_descriptor(): Standard_Type

Instance methods(8)

ShallowSimplified(): Expr_GeneralExpression
Returns a GeneralExpression after a simplification of the arguments of <me>.
Copy(): Expr_GeneralExpression
Returns a copy of <me> having the same unknowns and functions.
IsIdentical(Other: Expr_GeneralExpression): boolean
Tests if <me> and <Other> define the same expression. This method does not include any simplification before testing.
Parameters (1)
- Other
IsLinear(): boolean
Tests if <me> is linear on every NamedUnknown it contains.
Derivative(X: Expr_NamedUnknown): Expr_GeneralExpression
Returns the derivative on <X> unknown of <me>.
Parameters (1)
- X
Evaluate(vars: NCollection_Array1_handle_Expr_NamedUnknown, vals: NCollection_Array1_double): number
Returns the value of <me> (as a Real) by replacement of <vars> by <vals>. Raises NotEvaluable if <me> contains NamedUnknown not in <vars> or NumericError if result cannot be computed.
Parameters (2)
- vars
- vals
String(): TCollection_AsciiString
returns a string representing <me> in a readable way.
DynamicType(): Standard_Type

Expr_Sum

Expr_PolyExpressionExpr_GeneralExpressionStandard_Transient

Constructors(2)

constructor(exps: NCollection_Sequence_handle_Expr_GeneralExpression): Expr_Sum
Creates the sum of all the members of sequence <exps>.
Parameters (1)
- exps
constructor(exp1: Expr_GeneralExpression, exp2: Expr_GeneralExpression): Expr_Sum
Creates the sum of <exp1> and <exp2>.
Parameters (2)
- exp1
- exp2

Static methods(2)

get_type_name(): string
get_type_descriptor(): Standard_Type

Instance methods(9)

ShallowSimplified(): Expr_GeneralExpression
Returns a GeneralExpression after a simplification of the arguments of <me>.
Copy(): Expr_GeneralExpression
Returns a copy of <me> having the same unknowns and functions.
IsIdentical(Other: Expr_GeneralExpression): boolean
Tests if <me> and <Other> define the same expression. This method does not include any simplification before testing.
Parameters (1)
- Other
IsLinear(): boolean
Tests if <me> is linear on every NamedUnknown it contains.
Derivative(X: Expr_NamedUnknown): Expr_GeneralExpression
Returns the derivative on <X> unknown of <me>.
Parameters (1)
- X
NDerivative(X: Expr_NamedUnknown, N: number): Expr_GeneralExpression
Returns the <N>-th derivative on <X> unknown of <me>. Raises OutOfRange if <N> <= 0.
Parameters (2)
- X
- N
Evaluate(vars: NCollection_Array1_handle_Expr_NamedUnknown, vals: NCollection_Array1_double): number
Returns the value of <me> (as a Real) by replacement of <vars> by <vals>. Raises NotEvaluable if <me> contains NamedUnknown not in <vars> or NumericError if result cannot be computed.
Parameters (2)
- vars
- vals
String(): TCollection_AsciiString
returns a string representing <me> in a readable way.
DynamicType(): Standard_Type

Expr_SystemRelation

Expr_GeneralRelationStandard_Transient

Constructors(1)

constructor(relation: Expr_GeneralRelation): Expr_SystemRelation
Creates a system with one relation.
Parameters (1)
- relation

Static methods(2)

get_type_name(): string
get_type_descriptor(): Standard_Type

Instance methods(14)

Add(relation: Expr_GeneralRelation): void
Appends <relation> in the list of components of <me>.
Parameters (1)
- relation
Remove(relation: Expr_GeneralRelation): void
Parameters (1)
- relation
IsLinear(): boolean
Tests if <me> is linear between its NamedUnknowns.
NbOfSubRelations(): number
Returns the number of relations contained in <me>.
NbOfSingleRelations(): number
Returns the number of SingleRelations contained in <me>.
SubRelation(index: number): Expr_GeneralRelation
Returns the relation denoted by <index> in <me>. An exception is raised if <index> is out of range.
Parameters (1)
- index
IsSatisfied(): boolean
Returns the current status of the relation.
Simplified(): Expr_GeneralRelation
Returns a GeneralRelation after replacement of NamedUnknowns by an associated expression, and after values computation.
Simplify(): void
Replaces NamedUnknowns by associated expressions, and computes values in <me>.
Copy(): Expr_GeneralRelation
Returns a copy of <me> having the same unknowns and functions.
Contains(exp: Expr_GeneralExpression): boolean
Tests if <me> contains <exp>.
Parameters (1)
- exp
Replace(var_: Expr_NamedUnknown, with_: Expr_GeneralExpression): void
Replaces all occurrences of with <with> in <me>.
Parameters (2)
- var_
- with_
String(): TCollection_AsciiString
returns a string representing <me> in a readable way.
DynamicType(): Standard_Type

Expr_Tangent

Expr_UnaryExpressionExpr_GeneralExpressionStandard_Transient

Constructors(1)

constructor(exp: Expr_GeneralExpression): Expr_Tangent
Creates the tangent of <exp>.
Parameters (1)
- exp

Static methods(2)

get_type_name(): string
get_type_descriptor(): Standard_Type

Instance methods(8)

ShallowSimplified(): Expr_GeneralExpression
Returns a GeneralExpression after a simplification of the arguments of <me>.
Copy(): Expr_GeneralExpression
Returns a copy of <me> having the same unknowns and functions.
IsIdentical(Other: Expr_GeneralExpression): boolean
Tests if <me> and <Other> define the same expression. This method does not include any simplification before testing.
Parameters (1)
- Other
IsLinear(): boolean
Tests if <me> is linear on every NamedUnknown it contains.
Derivative(X: Expr_NamedUnknown): Expr_GeneralExpression
Returns the derivative on <X> unknown of <me>.
Parameters (1)
- X
Evaluate(vars: NCollection_Array1_handle_Expr_NamedUnknown, vals: NCollection_Array1_double): number
Returns the value of <me> (as a Real) by replacement of <vars> by <vals>. Raises NotEvaluable if <me> contains NamedUnknown not in <vars> or NumericError if result cannot be computed.
Parameters (2)
- vars
- vals
String(): TCollection_AsciiString
returns a string representing <me> in a readable way.
DynamicType(): Standard_Type

Expr_Tanh

Expr_UnaryExpressionExpr_GeneralExpressionStandard_Transient

Constructors(1)

constructor(exp: Expr_GeneralExpression): Expr_Tanh
Creates the hyperbolic tangent of <exp>.
Parameters (1)
- exp

Static methods(2)

get_type_name(): string
get_type_descriptor(): Standard_Type

Instance methods(8)

ShallowSimplified(): Expr_GeneralExpression
Returns a GeneralExpression after a simplification of the arguments of <me>.
Copy(): Expr_GeneralExpression
Returns a copy of <me> having the same unknowns and functions.
IsIdentical(Other: Expr_GeneralExpression): boolean
Tests if <me> and <Other> define the same expression. This method does not include any simplification before testing.
Parameters (1)
- Other
IsLinear(): boolean
Tests if <me> is linear on every NamedUnknown it contains.
Derivative(X: Expr_NamedUnknown): Expr_GeneralExpression
Returns the derivative on <X> unknown of <me>.
Parameters (1)
- X
Evaluate(vars: NCollection_Array1_handle_Expr_NamedUnknown, vals: NCollection_Array1_double): number
Returns the value of <me> (as a Real) by replacement of <vars> by <vals>. Raises NotEvaluable if <me> contains NamedUnknown not in <vars> or NumericError if result cannot be computed.
Parameters (2)
- vars
- vals
String(): TCollection_AsciiString
returns a string representing <me> in a readable way.
DynamicType(): Standard_Type

Expr_UnaryExpression

Expr_GeneralExpressionStandard_Transient

Static methods(2)

get_type_name(): string
get_type_descriptor(): Standard_Type

Instance methods(9)

Operand(): Expr_GeneralExpression
Returns the operand used.
SetOperand(exp: Expr_GeneralExpression): void
Sets the operand used Raises InvalidOperand if <exp> contains <me>.
Parameters (1)
- exp
NbSubExpressions(): number
Returns the number of sub-expressions contained in <me> ( >= 0).
SubExpression(I: number): Expr_GeneralExpression
Returns the -th sub-expression of <me>. Raises OutOfRange if > NbSubExpressions(me).
Parameters (1)
- I
ContainsUnknowns(): boolean
Does <me> contains NamedUnknown ?
Contains(exp: Expr_GeneralExpression): boolean
Tests if <exp> is contained in <me>.
Parameters (1)
- exp
Replace(var_: Expr_NamedUnknown, with_: Expr_GeneralExpression): void
Replaces all occurrences of with <with> in <me> Raises InvalidOperand if <with> contains <me>.
Parameters (2)
- var_
- with_
Simplified(): Expr_GeneralExpression
Returns a GeneralExpression after replacement of NamedUnknowns by an associated expression, and after values computation.
DynamicType(): Standard_Type

Expr_UnaryFunction

Expr_UnaryExpressionExpr_GeneralExpressionStandard_Transient

Defines the use of an unary function in an expression with a given argument.

Constructors(1)

constructor(func: Expr_GeneralFunction, exp: Expr_GeneralExpression): Expr_UnaryFunction
Creates me as <func>(<exp>). Raises exception if <func> is not unary.
Parameters (2)
- func
- exp

Static methods(2)

get_type_name(): string
get_type_descriptor(): Standard_Type

Instance methods(9)

Function(): Expr_GeneralFunction
Returns the function defining <me>.
ShallowSimplified(): Expr_GeneralExpression
Returns a GeneralExpression after a simplification of the arguments of <me>.
Copy(): Expr_GeneralExpression
Returns a copy of <me> having the same unknowns and functions.
IsIdentical(Other: Expr_GeneralExpression): boolean
Tests if <me> and <Other> define the same expression. This method does not include any simplification before testing.
Parameters (1)
- Other
IsLinear(): boolean
Tests if <me> is linear on every NamedUnknown it contains.
Derivative(X: Expr_NamedUnknown): Expr_GeneralExpression
returns the derivative on <X> unknown of <me>.
Parameters (1)
- X
Evaluate(vars: NCollection_Array1_handle_Expr_NamedUnknown, vals: NCollection_Array1_double): number
Returns the value of <me> (as a Real) by replacement of <vars> by <vals>. Raises NotEvaluable if <me> contains NamedUnknown not in <vars> or NumericError if result cannot be computed.
Parameters (2)
- vars
- vals
String(): TCollection_AsciiString
returns a string representing <me> in a readable way.
DynamicType(): Standard_Type

Expr_UnaryMinus

Expr_UnaryExpressionExpr_GeneralExpressionStandard_Transient

Constructors(1)

constructor(exp: Expr_GeneralExpression): Expr_UnaryMinus
Create the unary minus of <exp>.
Parameters (1)
- exp

Static methods(2)

get_type_name(): string
get_type_descriptor(): Standard_Type

Instance methods(9)

ShallowSimplified(): Expr_GeneralExpression
Returns a GeneralExpression after a simplification of the arguments of <me>.
Copy(): Expr_GeneralExpression
Returns a copy of <me> having the same unknowns and functions.
IsIdentical(Other: Expr_GeneralExpression): boolean
Tests if <me> and <Other> define the same expression. This method does not include any simplification before testing.
Parameters (1)
- Other
IsLinear(): boolean
Tests if <me> is linear on every NamedUnknown it contains.
Derivative(X: Expr_NamedUnknown): Expr_GeneralExpression
Returns the derivative on <X> unknown of <me>.
Parameters (1)
- X
NDerivative(X: Expr_NamedUnknown, N: number): Expr_GeneralExpression
Returns the <N>-th derivative on <X> unknown of <me>. Raises OutOfRange if <N> <= 0.
Parameters (2)
- X
- N
Evaluate(vars: NCollection_Array1_handle_Expr_NamedUnknown, vals: NCollection_Array1_double): number
Returns the value of <me> (as a Real) by replacement of <vars> by <vals>. Raises NotEvaluable if <me> contains NamedUnknown not in <vars> or NumericError if result cannot be computed.
Parameters (2)
- vars
- vals
String(): TCollection_AsciiString
returns a string representing <me> in a readable way.
DynamicType(): Standard_Type

Expr_UnknownIterator

Describes an iterator on NamedUnknowns contained in any GeneralExpression.

Constructors(1)

constructor(exp: Expr_GeneralExpression): Expr_UnknownIterator
Parameters (1)
- exp

Instance methods(3)

More(): boolean
Next(): void
Value(): Expr_NamedUnknown