private static void test02()
//****************************************************************************80
//
// Purpose:
//
// TEST02 tests DIFFER_INVERSE.
//
// Licensing:
//
// This code is distributed under the GNU LGPL license.
//
// Modified:
//
// 03 November 2013
//
// Author:
//
// John Burkardt
//
{
int n;
const int N_MAX = 8;
Console.WriteLine("");
Console.WriteLine("TEST02");
Console.WriteLine(" DIFFER_INVERSE returns the inverse of a DIFFER matrix;");
Console.WriteLine("");
Console.WriteLine(" N Inverse error");
int seed = 123456789;
for (n = 2; n <= N_MAX; n++)
{
Console.WriteLine("");
int test;
for (test = 1; test <= 5; test++)
{
double[] x = UniformRNG.r8vec_uniform_01_new(n, ref seed);
double[] a = Differ.differ_matrix(n, x);
double[] b = Differ.differ_inverse(n, x);
double err = Helpers.inverse_error(n, a, b);
Console.WriteLine(" " + n.ToString().PadLeft(2)
+ " " + err.ToString(CultureInfo.InvariantCulture).PadLeft(14) + "");
}
}
}
