com.imsl.stat

Interface RegressionBasis

public interface RegressionBasis

Public interface for user supplied function to UserBasisRegression object.

Method Summary

Modifier and Type	Method and Description
double	basis(int index, double x) Public interface for the nonlinear least-squares function.

Method Detail

basis

double basis(int index,
             double x)

Public interface for the nonlinear least-squares function.

Parameters:

index - an int which specifies the index of the basis function to be evaluated at x

x - a double, the point at which the function is to be evaluated

Returns:

a double, the returned value of the function at x