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checking conditions on 2 arrays
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I have 2d array X of size (750, 450) and another array Y of size(750, 450).
I want to check where there is 0 in X, if there is also 0 in Y.
any one liners?
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Walter Roberson
am 6 Feb. 2018
mask = ~X & ~Y;
this will be true only in places where X and Y are both exactly 0.
You might prefer to code
mask = (X == 0) & (Y == 0);
and indeed you need that if your arrays might have nan in them as the ~ operator does not work on nan.
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