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combining matrices by replacing zeros

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cgo
cgo 2018-1-8
编辑： Jan 2018-1-8
I have two matrices of the same length;
A = [1 ,0, 2, 0, 3, 0, 5]; B = [0, 2, 0, 3, 0, 5, 0];
I want to be 'combine' them into one matrix where the zeros 'disappear'; C = [1, 2, 2, 3, 3, 5, 5];
May I know how to do this?

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Jan
Jan 2018-1-8
编辑：Jan 2018-1-8
A = [1 ,0, 2, 0, 3, 0, 5];
B = [0, 2, 0, 3, 0, 5, 0];
C = A + B
Or if the zeros need not be at the same indices as the non-zeros in the other variable:
C = A;
C(A == 0) = B(B ~= 0)

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