BSpline.Derivative Method (Double)

BSplineDerivative Method (Double)

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

Namespace: Imsl.Math
Assembly: ImslCS (in ImslCS.dll) Version: 6.5.2.0

Syntax

public double Derivative(
	double x
)

Public Function Derivative ( 
	x As Double
) As Double

public:
double Derivative(
	double x
)

member Derivative : 
        x : float -> float

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

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