Extract indices from other matrix corresponding to the minimum
1 ビュー (過去 30 日間)
I currently have a matrix in which I want to determine the column which corresponds to the minimum of each row, which I can do the following way:
Mat = rand(30, 2) ;
[~, min_idx] = min(Mat, , 2, 'linear') ;
[~, col] = ind2sub(size(Mat), min_idx) ;
Following that, I would like to use col, to extract the corresponding 3rd dimension in another matrix X:
X = rand(30, 3, 2) ;
Xmin = X(:,:,col) ;
For Xmin I would expect to get a 2D matrix, where each row corresponds to the index col in the 3rd dimention extracted from X, however that is not the case for some reason. Do you know how I could accomplish the above?
Thanks for your help in advance.