view DL/RLS-DLA/private/normcols.m @ 60:ad36f80e2ccf

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function y = normcols(x)
%NORMCOLS Normalize matrix columns.
%  Y = NORMCOLS(X) normalizes the columns of X to unit length, returning
%  the result as Y.
%
%  See also ADDTOCOLS.


%  Ron Rubinstein
%  Computer Science Department
%  Technion, Haifa 32000 Israel
%  ronrubin@cs
%
%  April 2009


y = x*spdiag(1./sqrt(sum(x.*x)));