function a = upshift_inverse ( n ) %*****************************************************************************80 % %% UPSHIFT_INVERSE returns the inverse of the UPSHIFT matrix. % % Licensing: % % This code is distributed under the GNU LGPL license. % % Modified: % % 21 October 2007 % % Author: % % John Burkardt % % Parameters: % % Input, integer N, the order of the matrix. % % Output, real A(N,N), the matrix. % a = downshift ( n ); return end