com.imsl.math

Interface RadialBasis.Function

All Known Implementing Classes:

RadialBasis.Gaussian, RadialBasis.HardyMultiquadric

Enclosing class:

RadialBasis

public static interface RadialBasis.Function

Public interface for the user supplied function to the RadialBasis object.

See Also:

Example

Method Summary

Methods

Modifier and Type	Method and Description
double	f(double x) A radial basis function.
double	g(double x) The derivative of the radial basis function used to calculate the gradient of the radial basis approximation.

Method Detail

f

double f(double x)

A radial basis function.

Parameters:

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

Returns:

a double, the value of the function at x

g

double g(double x)

The derivative of the radial basis function used to calculate the gradient of the radial basis approximation.

Parameters:

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

Returns:

a double, the value of the function at x