Change the certain element after comparison of two arrays

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Maksim Tiurin
Maksim Tiurin 2019-6-13
回答： Joel Handy 2019-6-13
there is a string of 8 numbers, and a string filled with zeros (of the same length). I need to check the first string for the presence of zeros in it, and if there is a zero there, then it is necessary that in the second string the same element is changed to 1.
For example
B = [0 0 0 0 0 0 0 0]
A = [1 2 3 4 5 6 7 0]
then check A for the presence of zeros and change B to the B = [0 0 0 0 0 0 0 1]
Perhaps this is a stupid question, but I have not yet found an answer, please help.

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Joel Handy
Joel Handy 2019-6-13
B = A == 0;

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