function t = toeplitz(c,r) %TOEPLITZ (overloaded) % Author Johan Löfberg % $Id: toeplitz.m,v 1.5 2006/02/05 13:21:29 joloef Exp $ % direct 1-to-1 copy of MATLAB double code if nargin < 2, c.basis(1,:) = conj(c.basis(1,:)); r = c; c.basis = conj(c.basis); % c(1) = conj(c(1)); % r = c; % c = conj(c); end r = reshape(r,prod(size(r)),1);%r(:) p = length(r); m = length(c); x = [extsubsref(r,p:-1:2) ; reshape(c,prod(size(c)),1)]; cidx = (0:m-1)'; ridx = p:-1:1; t = cidx(:,ones(p,1)) + ridx(ones(m,1),:); t = extsubsref(x,t); if isa(t,'sdpvar') t.conicinfo = [0 0]; end