Mercurial > hg > camir-ismir2012

diff toolboxes/FullBNT-1.0.7/KPMstats/mk_unit_norm.m @ 0:cc4b1211e677 tip

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initial commit to HG from Changeset: 646 (e263d8a21543) added further path and more save "camirversion.m"
author Daniel Wolff
date Fri, 19 Aug 2016 13:07:06 +0200
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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	Fri Aug 19 13:07:06 2016 +0200
@@ -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]);
+