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Matrix B from column of matrix A with condition

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I have to create matix B that contains columns of matrix A which product of elements are greater than 20. How can i code this? Thanks.

Accepted Answer

Mouhamed Niasse
Mouhamed Niasse on 13 Jun 2021
Edited: Mouhamed Niasse on 13 Jun 2021
Here is what i achieved. Hope you can easily understand it.
A=randi(5,5) % Just for an example, A is a 5x5 array of random integers
B=A(:,prod(A)>20) % This is the only line you'll need for any given matrix A.

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