Mercurial > hg > camir-ismir2012
comparison toolboxes/FullBNT-1.0.7/KPMstats/mk_unit_norm.m @ 0:cc4b1211e677 tip
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646 (e263d8a21543) added further path and more save "camirversion.m"
author | Daniel Wolff |
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date | Fri, 19 Aug 2016 13:07:06 +0200 |
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-1:000000000000 | 0:cc4b1211e677 |
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1 function B = mk_unit_norm(A) | |
2 % MK_UNIT_NORM Make each column be a unit norm vector | |
3 % function B = mk_unit_norm(A) | |
4 % | |
5 % We divide each column by its magnitude | |
6 | |
7 | |
8 [nrows ncols] = size(A); | |
9 s = sum(A.^2); | |
10 ndx = find(s==0); | |
11 s(ndx)=1; | |
12 B = A ./ repmat(sqrt(s), [nrows 1]); | |
13 |