public static double[] reverse_U(int n, double[][] U, double[] y)
{
double[] x = SolverEquation.solve_U(n, U, y);
return(x);
}
public static double[] reverse_L(int n, double[][] L, double[] e)
{
double[] y = SolverEquation.solve_L(n, L, e);
return(y);
}
