gausscenter.java

This program demonstrates some function approximation capabilities of a Radial Basis Function Networ

// Decompiled by JAD v1.5.4.3. Copyright 1997-98 Pavel Kouznetsov.
// JAD Home Page:      http://web.unicom.com.cy/~kpd/jad.html
// Decompiler options: packimports(3) 
// Source File Name:   RBFunction.java
// Decompiled by S.Baehni in order to be compliant with Java1.2

import java.awt.Color;

class GaussCenter
{

    public GaussCenter(double d, double d1)
    {
        mu = d;
        sigma = d1;
    }

    public double[] eval(double ad[])
    {
        double ad1[] = new double[ad.length];
        for(int i = 0; i < ad.length; i++)
            ad1[i] = eval(ad[i]);

        return ad1;
    }

    public double eval(double d)
    {
        return Math.exp((-(d - mu) * (d - mu)) / (2D * sigma * sigma));
    }

    public void plot(DataDisp datadisp, double ad[])
    {
        double ad1[][] = new double[ad.length][2];
        for(int i = 0; i < ad.length; i++)
        {
            ad1[i][0] = ad[i];
            ad1[i][1] = eval(ad[i]);
        }

        datadisp.drawcurve(ad1, Color.red);
    }

    public double mu;
    public double sigma;
}