Returns the value of the first derivative of the B-spline at a point.

Namespace: Imsl.Math
Assembly: ImslCS (in ImslCS.dll) Version: 6.5.0.0

Syntax

C#
public double Derivative(
	double x
)
Visual Basic (Declaration)
Public Function Derivative ( _
	x As Double _
) As Double
Visual C++
public:
double Derivative(
	double x
)

Parameters

x
Type: System..::.Double
A double which specifies the point at which the derivative is to be evaluated.

Return Value

A double containing the value of the first derivative of the B-spline at the point x.

See Also