polinterpolationlagrangederivative Method

public static void lagrangederivative(
	int n,
	ref double[] x,
	double[] f,
	double t,
	ref double p,
	ref double dp
)

Public Shared Sub lagrangederivative ( 
	n As Integer,
	ByRef x As Double(),
	f As Double(),
	t As Double,
	ByRef p As Double,
	ByRef dp As Double
)