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Combining matrices, adding two matrices in into a bigger one.

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mohsen
mohsen 2016-5-3
回答： Fangjun Jiang 2016-5-3
Ke1 = [ 3 3 -3 3; 3 4 -3 2; -3 -3 3 -3; 3 2 -3 4];
Ke2 = [ 6 3 -6 3; 3 2 -3 1; -6 -3 6 -3; 3 1 -3 2];
Kg = zeros(6);
Kg(1:4, 1:4) = Ke1
I also want to add Ke2 to Kg in (3:6,3:6) where they overlap in the middle but I don't know how.

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Fangjun Jiang
Fangjun Jiang 2016-5-3
Kg(3:6,3:6)=Kg(3:6,3:6)+Ke2

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