how can i do this operation?

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Firas Al-Kharabsheh
评论： Firas Al-Kharabsheh 2016-5-1
if i have
M = [2 1
1 0
1 3
3 0
2 0 ]
AND
X = [ 2 0 0
1 1 1
4 0 0
1 0 0
2 1 0 ]
how can i calculate the F = | M - X | THEN F1 = sum(F)

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CS Researcher
CS Researcher 2016-5-1
As you can see M and X are of different sizes, you cannot perform a subtraction operation on them. Maybe you can do this:
M = [M zeros(size(M,1),1)];
F = abs(M-X);
F1 = sum(F);

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