Mercurial > hg > camir-aes2014

diff toolboxes/FullBNT-1.0.7/KPMstats/mk_unit_norm.m @ 0:e9a9cd732c1e tip

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first hg version after svn
author wolffd
date Tue, 10 Feb 2015 15:05:51 +0000
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolboxes/FullBNT-1.0.7/KPMstats/mk_unit_norm.m	Tue Feb 10 15:05:51 2015 +0000
@@ -0,0 +1,13 @@
+function B = mk_unit_norm(A)
+% MK_UNIT_NORM Make each column be a unit norm vector
+% function B = mk_unit_norm(A)
+% 
+% We divide each column by its magnitude
+
+
+[nrows ncols] = size(A);
+s = sum(A.^2);
+ndx = find(s==0);
+s(ndx)=1; 
+B = A ./ repmat(sqrt(s), [nrows 1]);
+