function extreme_values_cdf_test ( ) %*****************************************************************************80 % %% EXTREME_VALUES_CDF_TEST tests EXTREME_VALUES_CDF. % % Licensing: % % This code is distributed under the GNU LGPL license. % % Modified: % % 02 April 2016 % % Author: % % John Burkardt % fprintf ( 1, '\n' ); fprintf ( 1, 'EXTREME_VALUES_CDF_TEST\n' ); fprintf ( 1, ' EXTREME_VALUES_CDF evaluates the Extreme Values CDF;\n' ); fprintf ( 1, ' EXTREME_VALUES_CDF_INV inverts the Extreme Values CDF.\n' ); fprintf ( 1, ' EXTREME_VALUES_PDF evaluates the Extreme Values PDF;\n' ); a = 2.0; b = 3.0; check = extreme_values_check ( a, b ); if ( ~ check ); fprintf ( 1, '\n' ); fprintf ( 1, 'EXTREME_VALUES_CDF_TEST - Fatal error!\n' ); fprintf ( 1, ' The parameters are not legal.\n' ); return end fprintf ( 1, '\n' ); fprintf ( 1, ' PDF parameter A = %14g\n', a ); fprintf ( 1, ' PDF parameter B = %14g\n', b ); seed = 123456789; fprintf ( 1, '\n' ); fprintf ( 1, ' X PDF CDF CDF_INV\n' ); fprintf ( 1, '\n' ); for i = 1 : 10 [ x, seed ] = extreme_values_sample ( a, b, seed ); pdf = extreme_values_pdf ( x, a, b ); cdf = extreme_values_cdf ( x, a, b ); x2 = extreme_values_cdf_inv ( cdf, a, b ); fprintf ( 1, ' %14g %14g %14g %14g\n', x, pdf, cdf, x2 ); end return end