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- function t = toeplitz(c,r)
- %TOEPLITZ Toeplitz matrix.
- % TOEPLITZ(C,R) is a non-symmetric Toeplitz matrix having C as its
- % first column and R as its first row. TOEPLITZ(C) is a symmetric
- % (or Hermitian) Toeplitz matrix.
- %
- % See also HANKEL.
-
- % Revised 10-8-92, LS - code from A.K. Booer.
- % Copyright (c) 1984-93 by The MathWorks, Inc.
-
- if nargin < 2,
- c(1) = conj(c(1)); r = c; c = conj(c); % set up for Hermitian Toeplitz
- else
- if r(1) ~= c(1)
- disp(' ')
- disp('Column wins diagonal conflict.')
- end
- end
- %
- r = r(:); % force column structure
- p = length(r);
- m = length(c);
- x = [r(p:-1:2) ; c(:)]; % build vector of user data
- %
- cidx = (0:m-1)';
- ridx = p:-1:1;
- t = cidx(:,ones(p,1)) + ridx(ones(m,1),:); % Toeplitz subscripts
- t(:) = x(t); % actual data
-
-