comparison util/ksvd utils/normcols.m @ 70:c3eca463202d

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author idamnjanovic
date Wed, 16 Mar 2011 14:16:57 +0000
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69:5f1f436057ca 70:c3eca463202d
1 function y = normcols(x)
2 %NORMCOLS Normalize matrix columns.
3 % Y = NORMCOLS(X) normalizes the columns of X to unit length, returning
4 % the result as Y.
5 %
6 % See also ADDTOCOLS.
7
8
9 % Ron Rubinstein
10 % Computer Science Department
11 % Technion, Haifa 32000 Israel
12 % ronrubin@cs
13 %
14 % April 2009
15
16
17 y = x*spdiag(1./sqrt(sum(x.*x)));