Checking rows of array for one of a set of values
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How can I concisely check if each row of a matrix contains one or more of a certain set of values? I want to do something like this:
myMatrix = [0,0,0;0,0,1;0,0,0;0,0,2;0,0,0;0,0,1;0,0,0;0,0,2]
checkFor = [1,2,3]
any(myMatrix==checkFor,2)
ans = [2;4;6;8]
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Accepted Answer
Voss
on 3 Mar 2022
Use ismember():
myMatrix = [0,0,0;0,0,1;0,0,0;0,0,2;0,0,0;0,0,1;0,0,0;0,0,2];
checkFor = [1,2,3];
ism = any(ismember(myMatrix,checkFor),2);
find(ism)
ans = [2;4;6;8]
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