how to scan a matrix row by row and save index of elements
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A =
1 2 3 4
0.5 5 6 2
5 3 1 3
I have a matrix-like A, and my aim is to scan the matrix row by row and save the index of values that is greater than 2 (or any threshold). In fact, I want to have an array like this:
H = {[3,4];[2,3];[1,2,4]}
I tried to do it like below but I don't know how I can append an elemnt to the end of array H.
If you can suggest anything faster way, I would appreciate it.
for i = 1:width(A)
H{i} = [];
for j = 1:height(A)
if A(i,j) > 2
H{i} = % how to indicate the index of the matxis that is true for the if condition
end
end
end
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