I have two matrices and I would like to create a matrix containing the above threshold value of each element of both matrices

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Marleen van Dijk
Marleen van Dijk 2020-6-15
回答： Matt J 2020-6-15
I have two matrices of the same size and for each element I would like to do the following:
if the value of the element in matrix2 is above the threshold, keep the value
else assign the value of matrix1 to this element.
Is this possible without for loops?

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Matt J
Matt J 2020-6-15
编辑：Matt J 2020-6-15
Is this possible without for loops?
Yes. One way is as follows:
mask=(matrix2>=threshold);
result = matrix2.*mask + matrix1.*(~mask);

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Matt J
Matt J 2020-6-15
Another way,
result=matrix2;
idx=(matrix2<threshold);
result(idx)=matrix1(idx);

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