How to select random number in a matrix?

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Moe
Moe 2014 年 11 月 21 日
回答済み: Image Analyst 2014 年 11 月 21 日
The following command can find all max values in each iteration of matrix m and then chose first one:
[rowsOfMaxes colsOfMaxes] = find(m(:,:,j) == maxValue,1,'random');
I'm looking for a command that chose random one between all found max values.

採用された回答

Image Analyst
Image Analyst 2014 年 11 月 21 日
% Get a random index.
randomIndex = randi(numel(rowsOfMaxes), 1);
% Extract one row and one column from the lists.
randomRow = rowsOfMaxes(randomIndex);
randomCol = colsOfMaxes(randomIndex);

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