package ode1d; /** * a simple ODE for test purposes<br> * time dependent<br> * can be solved analytically */ public class SimpleODE extends ODE { /** * trivial constructor */ public SimpleODE(double x0, double t0) { super(x0, t0); } /** * right hand side of ODE<br> * has explicit time dependence */ public double f(double x, double t) { return -x * Math.sin(t); } }