function chebyshev1_sample_test ( ) %*****************************************************************************80 % %% CHEBYSHEV1_SAMPLE_TEST tests CHEBYSHEV1_SAMPLE. % % Licensing: % % This code is distributed under the GNU LGPL license. % % Modified: % % 01 August 2016 % % Author: % % John Burkardt % nsample = 1000; seed = 123456789; fprintf ( 1, '\n' ); fprintf ( 1, 'CHEBYSHEV1_SAMPLE_TEST\n' ); fprintf ( 1, ' CHEBYSHEV1_MEAN computes the Chebyshev1 mean;\n' ); fprintf ( 1, ' CHEBYSHEV1_SAMPLE samples the Chebyshev1 distribution;\n' ); fprintf ( 1, ' CHEBYSHEV1_VARIANCE computes the Chebyshev1 variance.\n' ); mean = chebyshev1_mean ( ); variance = chebyshev1_variance ( ); fprintf ( 1, '\n' ); fprintf ( 1, ' PDF mean = %14g\n', mean ); fprintf ( 1, ' PDF variance = %14g\n', variance ); for i = 1 : nsample [ x(i), seed ] = chebyshev1_sample ( seed ); end mean = r8vec_mean ( nsample, x ); variance = r8vec_variance ( nsample, x ); xmax = max ( x(1:nsample) ); xmin = min ( x(1:nsample) ); fprintf ( 1, '\n' ); fprintf ( 1, ' Sample size = %6d\n', nsample ); fprintf ( 1, ' Sample mean = %14g\n', mean ); fprintf ( 1, ' Sample variance = %14g\n', variance ); fprintf ( 1, ' Sample maximum = %14g\n', xmax ); fprintf ( 1, ' Sample minimum = %14g\n', xmin ); return end