/**
* @param a start parameter
* @param b end parameter
* @param funX x(t)
* @param funY y(t)
* @param funZ z(t)
* @return an interval within [a, b] where the funX, funY, funZ are defined.
*/
public static double[] getDefinedInterval(
double a, double b, RealRootFunction funX, RealRootFunction funY, RealRootFunction funZ) {
// compute interval for x(t)
double[] interval = RealRootUtil.getDefinedInterval(funX, a, b);
// compute interval for y(t) and update interval
RealRootUtil.updateDefinedIntervalIntersecting(funY, a, b, interval);
// compute interval for z(t) and update interval
RealRootUtil.updateDefinedIntervalIntersecting(funZ, a, b, interval);
return interval;
}
