Mercurial > hg > camir-ismir2012
annotate toolboxes/FullBNT-1.0.7/KPMstats/mk_unit_norm.m @ 0:cc4b1211e677 tip
initial commit to HG from
Changeset:
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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rev | line source |
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Daniel@0 | 1 function B = mk_unit_norm(A) |
Daniel@0 | 2 % MK_UNIT_NORM Make each column be a unit norm vector |
Daniel@0 | 3 % function B = mk_unit_norm(A) |
Daniel@0 | 4 % |
Daniel@0 | 5 % We divide each column by its magnitude |
Daniel@0 | 6 |
Daniel@0 | 7 |
Daniel@0 | 8 [nrows ncols] = size(A); |
Daniel@0 | 9 s = sum(A.^2); |
Daniel@0 | 10 ndx = find(s==0); |
Daniel@0 | 11 s(ndx)=1; |
Daniel@0 | 12 B = A ./ repmat(sqrt(s), [nrows 1]); |
Daniel@0 | 13 |