sub2ind with 3D matrix?

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MementoMori il 4 Apr 2023
Modificato: DGM il 4 Apr 2023
given a code, for example, like this
indX(:,:,1)=[2,3;1,6]; indX(:,:,2)=[2,5;2,6];
indY(:,:,1)=[4,6;2,3]; indY(:,:,2)=[7,5;3,4];
for i=1:2
for j=1:2
ind=sub2ind(size(A), indX(:,:,i), indY(:,:,j));
I would like to obtain the same result, without using a for loop. Is there any faster way?
  2 Commenti
DGM il 4 Apr 2023
Modificato: DGM il 4 Apr 2023
The faster way would be to not generate a bunch of figures in a loop. If you don't need them, don't spend time on them. If you might need them, conditionally generate them only when requested.

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