function linplus_test59 ( ) %*****************************************************************************80 % %% TEST59 tests R8TO_SL. % % Licensing: % % This code is distributed under the GNU LGPL license. % % Modified: % % 14 March 2009 % % Author: % % John Burkardt % n = 10; seed = 123456789; fprintf ( 1, '\n' ); fprintf ( 1, 'TEST59\n' ); fprintf ( 1, ' R8TO_SL solves a Toeplitz system.\n' ); fprintf ( 1, '\n' ); fprintf ( 1, ' Matrix order N = %d\n', n ); [ a, seed ] = r8to_random ( n, seed ); r8to_print ( n, a, ' The Toeplitz matrix:' ); for job = 0 : 1 % % Set the desired solution. % x = r8vec_indicator ( n ); % % Compute the corresponding right hand side. % if ( job == 0 ) b = r8to_mxv ( n, a, x ); else b = r8to_vxm ( n, a, x ); end % % Solve the linear system. % x = r8to_sl ( n, a, b, job ); if ( job == 0 ) r8vec_print_some ( n, x, 1, 10, ' Solution:' ); else r8vec_print_some ( n, x, 1, 10, ' Solution to transposed system:' ); end end return end