Chen.cs

using UnityEngine;
using System.Collections;

// eqn (28) from http://lsc.amss.ac.cn/~ljh/04LCC.pdf
public class Chen : ChaosEqn  {

    private float a ;   
    private float b ;       
    private float c ;       

    public Chen() {
        name = "Chen";

        eqnStrings = new string[]{
                "xdot = a(y-x)",
                "ydot = (c-a)x - xz + cy",
                "zdot = xy - bz"
        };

        paramBundles = new ParamBundle[] {
            // sigma, b, rho
            new ParamBundle("default (scaled)", 40f, 3f, 28f, 
                    new Vector3(-0.1f, 0.5f, -0.6f), new Vector3(-2.5f, -3f, -18.9f), 0.25f),
            new ParamBundle("default", 40f, 3f, 28f, 
                    new Vector3(-0.1f, 0.5f, -0.6f)),
        };

        paramNames = new string[] { "a", "b", "c"};
        slideShowSpeed = 0.9f;
    }

    public override void SetParams(ParamBundle pb)
    {
        a = pb.eqnParam[0];
        b = pb.eqnParam[1]; 
        c = pb.eqnParam[2];
    }

    public override void Function(ref float[] x_in, ref float[] x_out) {
        x_out[0] = a*(x_in[1]-x_in[0]);
        x_out[1] = (c-a)*x_in[0] - x_in[0]*x_in[2] + c*x_in[1];
        x_out[2] = x_in[0]*x_in[1] - b * x_in[2];
    }

}