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How to randomized a n by m matrix ?

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Charlene Mae Galang
编辑： Image Analyst 2017-9-3
I want to randomize an n by m matrix containing numbers just between -1 to 1, where the sum of each row vector is equal to 1.
Ex. 3 by 2 matrix:
m = [.6 .3 .1; ...
.2 .7 .1]

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Roger Stafford
Roger Stafford 2017-9-3
编辑：Stephen23 2017-9-3
You can use my File Exchange routine “randfixedsum” at:
http://www.mathworks.com/matlabcentral/fileexchange/9700-random-vectors-with-fixed-sum
to obtain your 1 sums with values between -1 and 1.

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