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Different dimension matrix addition

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Nir Vaishnav
Nir Vaishnav 2022-7-18
评论： Nir Vaishnav 2022-7-18
I have a 2×2 matrix and i want to add it to a 4×4 matrix. How shall i proceed to do this?

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KSSV
KSSV 2022-7-18
Ran in:
Is this what you want?
A = rand(2) ;
B = rand(4) ;
iwant = repmat(A,2,2)+B
iwant = 4×4
0.2803 0.8238 0.4495 1.2927 1.3378 0.3492 1.1742 1.1508 0.9659 1.5570 0.9271 1.4413 1.0116 1.0375 1.2757 0.6122

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