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BSplineDerivative Method (Double, Int32)
Returns the value of the 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,
	int ideriv
)

Parameters

x
Type: SystemDouble
A double which specifies the point at which the derivative is to be evaluated.
ideriv
Type: SystemInt32
A int specifying the derivative to be computed.

Return Value

Type: Double
A double containing the value of the derivative of the B-spline at the point x.
Remarks
If ideriv is zero, the function value is returned. If one, the first derivative is returned, etc.
See Also