function normal_01_sample_test ( ) %*****************************************************************************80 % %% NORMAL_01_SAMPLE_TEST tests NORMAL_01_MEAN, NORMAL_01_SAMPLE, NORMAL_01_VARIANCE. % % Licensing: % % This code is distributed under the GNU LGPL license. % % Modified: % % 14 February 2003 % % Author: % % John Burkardt % nsample = 1000; seed = 123456789; fprintf ( 1, '\n' ); fprintf ( 1, 'NORMAL_01_SAMPLE_TEST\n' ); fprintf ( 1, ' NORMAL_01_MEAN computes the Normal 01 mean;\n' ); fprintf ( 1, ' NORMAL_01_SAMPLE samples the Normal 01 PDF;\n' ); fprintf ( 1, ' NORMAL_01_VARIANCE returns the Normal 01 variance.\n' ); mean = normal_01_mean ( ); variance = normal_01_variance ( ); fprintf ( 1, '\n' ); fprintf ( 1, ' PDF mean = %14f\n', mean ); fprintf ( 1, ' PDF variance = %14f\n', variance ); for i = 1 : nsample [ x(i), seed ] = normal_01_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 = %14f\n', mean ); fprintf ( 1, ' Sample variance = %14f\n', variance ); fprintf ( 1, ' Sample maximum = %14f\n', xmax ); fprintf ( 1, ' Sample minimum = %14f\n', xmin ); return end