function H = buildHank(c, k, n)%     H = buildHank(c, k, n);%% builds a hankel matrix of dimension n, around b, k as in lpjn paper%% 4/26/02, L. Perrone.%% Modifications:% 5/25/01, J. Nagy%          Some cosmetic changes to incorporate into RestoreTools%m = length(c);col = zeros(n,1);col(1:m-k) = c(k+1:m);row = zeros(n,1);row(n-k+2:n) = c(1:k-1);H = hankel(col, row);