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Retaining the length of matrix after difference

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Anu Sharma
Anu Sharma 2022-3-22
回答： Voss 2022-3-22
A matrix
A1 = [2 4 5 6 7 8 9 10 11 3 ];
A2 = [ 2 7 10];
A1 and A2 has some coomon values. I want to find the matrix A3 with no similar value of A1 and A2 and the length A1 must be retained.
A3 = [0 4 5 6 0 8 9 0 11 3];
Length will be equal to A1. but values same as in A2 will have 0 in there place

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Voss
Voss 2022-3-22
Ran in:
A1 = [2 4 5 6 7 8 9 10 11 3 ];
A2 = [ 2 7 10];
A3 = A1;
A3(ismember(A1,A2)) = 0
A3 = 1×10
0 4 5 6 0 8 9 0 11 3

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