FunctionMath.CombineFast(Func<Vector<Double>, Double>[]) Method

Constructs a multivariate function returning a vector in its second argument from an array of multivariate function delegates.

Definition

Namespace: Extreme.Mathematics
Assembly: Extreme.Numerics (in Extreme.Numerics.dll) Version: 8.1.23

public static Func<Vector<double>, Vector<double>, Vector<double>> CombineFast(
	this Func<Vector<double>, double>[] functions
)

Visual Basic

<ExtensionAttribute>
Public Shared Function CombineFast ( 
	functions As Func(Of Vector(Of Double), Double)()
) As Func(Of Vector(Of Double), Vector(Of Double), Vector(Of Double))

C++/CLI

public:
[ExtensionAttribute]
static Func<Vector<double>^, Vector<double>^, Vector<double>^>^ CombineFast(
	array<Func<Vector<double>^, double>^>^ functions
)

[<ExtensionAttribute>]
static member CombineFast : 
        functions : Func<Vector<float>, float>[] -> Func<Vector<float>, Vector<float>, Vector<float>>

Parameters

functions Func<Vector<Double>, Double>[]: An array of multivariate function delegates.

Return Value

Func<Vector<Double>, Vector<Double>, Vector<Double>>
A multivariate function returning a vector whose return values correspond to the return values of the elements of functions

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type Func<Vector<Double>, Double>[]. When you use instance method syntax to call this method, omit the first parameter. For more information, see Extension Methods (Visual Basic) or Extension Methods (C# Programming Guide).

Remarks

Use this method to combine several multivariate functions that return a real number into one multivariate function returning a vector in its second argument that returns a vector containing each of the function values.

Note that there is a slight performance loss over defining the multivariate function returning a vector directly because of the overhead of invoking multiple delegates instead of one.