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Find elements from a submatrix in the main 3D matrix

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Bianca Brisc
Bianca Brisc 2021년 7월 20일
댓글: Matt J 2021년 7월 21일
Hello.
I have a matrix M = 10x5. 10 representing the number of users and 5 the values for each user. This is taken out of the bigger matrix A = 161x161x10. 10 again being the same number of users as in the M matrix. The values from M are in A.
My main goal is to find the indexes (or ROW,COL) from the values from matrix M in matrix A. The problem is that because in M , I have duplicate values I can't find use the FIND function. Based on my research I did not found something helpful.
Do you think is possible to do this? Thank you!

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Matt J
Matt J 2021년 7월 20일
[row,col]=find( reshape( ismember(M(:),A(:)) , size(M) ) );
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Matt J
Matt J 2021년 7월 21일
You're welcome, but please Accept-click the answer if you have what you need.

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