private static void chebyshev1_sample_test()
//****************************************************************************80
//
// Purpose:
//
// CHEBYSHEV1_SAMPLE_TEST tests CHEBYSHEV1_SAMPLE.
//
// Licensing:
//
// This code is distributed under the GNU LGPL license.
//
// Modified:
//
// 01 August 2016
//
// Author:
//
// John Burkardt
//
{
const int SAMPLE_NUM = 1000;
int i;
int seed = 123456789;
double[] x = new double[SAMPLE_NUM];
Console.WriteLine("");
Console.WriteLine("CHEBYSHEV1_SAMPLE_TEST");
Console.WriteLine(" CHEBYSHEV1_MEAN computes the Chebyshev1 mean;");
Console.WriteLine(" CHEBYSHEV1_SAMPLE samples the Chebyshev1 distribution;");
Console.WriteLine(" CHEBYSHEV1_VARIANCE computes the Chebyshev1 variance.");
double mean = Chebyshevi.chebyshev1_mean();
double variance = Chebyshevi.chebyshev1_variance();
Console.WriteLine("");
Console.WriteLine(" PDF mean = " + mean + "");
Console.WriteLine(" PDF variance = " + variance + "");
for (i = 0; i < SAMPLE_NUM; i++)
{
x[i] = Chebyshevi.chebyshev1_sample(ref seed);
}
mean = typeMethods.r8vec_mean(SAMPLE_NUM, x);
variance = typeMethods.r8vec_variance(SAMPLE_NUM, x);
double xmax = typeMethods.r8vec_max(SAMPLE_NUM, x);
double xmin = typeMethods.r8vec_min(SAMPLE_NUM, x);
Console.WriteLine("");
Console.WriteLine(" Sample size = " + SAMPLE_NUM + "");
Console.WriteLine(" Sample mean = " + mean + "");
Console.WriteLine(" Sample variance = " + variance + "");
Console.WriteLine(" Sample maximum = " + xmax + "");
Console.WriteLine(" Sample minimum = " + xmin + "");
}
private static void chebyshev1_cdf_test()
//****************************************************************************80
//
// Purpose:
//
// CHEBYSHEV1_CDF_TEST tests CHEBYSHEV1_CDF.
//
// Licensing:
//
// This code is distributed under the GNU LGPL license.
//
// Modified:
//
// 01 August 2016
//
// Author:
//
// John Burkardt
//
{
int i;
int seed = 123456789;
Console.WriteLine("");
Console.WriteLine("CHEBYSHEV1_CDF_TEST");
Console.WriteLine(" CHEBYSHEV1_CDF evaluates the Chebyshev1 CDF;");
Console.WriteLine(" CHEBYSHEV1_CDF_INV inverts the Chebyshev1 CDF.");
Console.WriteLine(" CHEBYSHEV1_PDF evaluates the Chebyshev1 PDF;");
Console.WriteLine("");
Console.WriteLine(" X PDF CDF CDF_INV");
Console.WriteLine("");
for (i = 1; i <= 10; i++)
{
double x = Chebyshevi.chebyshev1_sample(ref seed);
double pdf = Chebyshevi.chebyshev1_pdf(x);
double cdf = Chebyshevi.chebyshev1_cdf(x);
double x2 = Chebyshevi.chebyshev1_cdf_inv(cdf);
Console.WriteLine(" "
+ x.ToString(CultureInfo.InvariantCulture).PadLeft(12) + " "
+ pdf.ToString(CultureInfo.InvariantCulture).PadLeft(12) + " "
+ cdf.ToString(CultureInfo.InvariantCulture).PadLeft(12) + " "
+ x2.ToString(CultureInfo.InvariantCulture).PadLeft(12) + "");
}
}
