SimpleODE

package odeadapt;

import Jama.*;

/**
 * a simple ODE for testing
 */
public class SimpleODE extends ODE {

  /**
   * construct from given initial conditions x(t0)
   */
  public SimpleODE(double x0, double t0) {
    super(new Matrix(1,1), t0);	
    this.x0.set(0,0, x0);
  }

  /** 
   * right hand side of ODE<br>
   * has explicit time dependence
   */
  public Matrix f(Matrix x, double t) {
    Matrix result = new Matrix(1,1);
    result.set(0,0, -x.get(0,0) * Math.sin(t));
    return result;
  }
}