package org.freehep.math.minuit.example.tutorial;
import org.freehep.math.minuit.FCNGradientBase;
/**
*
* @version $Id
*/
class Quad1F implements FCNGradientBase
{
public double valueOf(double[] par)
{
double x = par[0];
return x*x;
}
public double[] gradient(double[] par)
{
double x = par[0];
return new double[]{ 2*x };
}
}