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
date Fri, 19 Aug 2016 13:07:06 +0200
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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