/**
* Copyright (C) 2009 - present by OpenGamma Inc. and the OpenGamma group of companies
*
* Please see distribution for license.
*/
package com.opengamma.analytics.math.interpolation;
import com.opengamma.analytics.math.function.Function1D;
/**
*
*/
public class GaussianRadialBasisFunction extends Function1D<Double, Double> {
private final double _scaleFactor;
public GaussianRadialBasisFunction() {
_scaleFactor = 1;
}
public GaussianRadialBasisFunction(final double scaleFactor) {
_scaleFactor = scaleFactor * scaleFactor;
}
@Override
public Double evaluate(final Double x) {
return Math.exp(-0.5 * x * x / _scaleFactor);
}
}