function quasigeometric_sample_test ( ) %*****************************************************************************80 % %% QUASIGEOMETRIC_SAMPLE_TEST tests QUASIGEOMETRIC_SAMPLE. % % Licensing: % % This code is distributed under the GNU LGPL license. % % Modified: % % 06 April 2016 % % Author: % % John Burkardt % sample_num = 1000; seed = 123456789; fprintf ( 1, '\n' ); fprintf ( 1, 'QUASIGEOMETRIC_SAMPLE_TEST\n' ); fprintf ( 1, ' QUASIGEOMETRIC_MEAN computes the Quasigeometric mean;\n' ); fprintf ( 1, ' QUASIGEOMETRIC_SAMPLE samples the Quasigeometric distribution;\n' ); fprintf ( 1, ' QUASIGEOMETRIC_VARIANCE computes the Quasigeometric variance.\n' ); a = 0.4825; b = 0.5893; fprintf ( 1, '\n' ); fprintf ( 1, ' PDF parameter A = %14g\n', a ); fprintf ( 1, ' PDF parameter B = %14g\n', b ); check = quasigeometric_check ( a, b ); if ( ~ check ); fprintf ( 1, '\n' ); fprintf ( 1, 'QUASIGEOMETRIC_SAMPLE_TEST - Fatal error!\n' ); fprintf ( 1, ' The parameters are not legal.\n' ); return end mean = quasigeometric_mean ( a, b ); variance = quasigeometric_variance ( a, b ); fprintf ( 1, '\n' ); fprintf ( 1, ' PDF parameter A = %14g\n', a ); fprintf ( 1, ' PDF mean = %14g\n', mean ); fprintf ( 1, ' PDF variance = %14g\n', variance ); for i = 1 : sample_num [ x(i), seed ] = quasigeometric_sample ( a, b, seed ); end mean = i4vec_mean ( sample_num, x ); variance = i4vec_variance ( sample_num, x ); xmax = max ( x(1:sample_num) ); xmin = min ( x(1:sample_num) ); fprintf ( 1, '\n' ); fprintf ( 1, ' Sample size = %6d\n', sample_num ); fprintf ( 1, ' Sample mean = %14g\n', mean ); fprintf ( 1, ' Sample variance = %14g\n', variance ); fprintf ( 1, ' Sample maximum = %6d\n', xmax ); fprintf ( 1, ' Sample minimum = %6d\n', xmin ); return end