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view util/ksvd utils/normcols.m @ 243:1fbd28dfb99e unlocbox
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author | bmailhe |
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date | Wed, 29 Aug 2012 10:39:14 +0100 |
parents | c3eca463202d |
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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)));