?? mk_unit_norm.m
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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]);
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