from Normalize Array Row Wise by Shivani Rao
Each array is normalized such that rows sum to 1

[output]=normalize_array_rowwise(input)
function [output]=normalize_array_rowwise(input)
[m,n]=size(input);
output = zeros(m,n);
for i=1:m
output(i,:)= input(i,:)/sum(input(i,:));
end
end

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