max of matrix or min matrix or average matrix

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abdullah qasim
abdullah qasim 2021-2-4
评论： abdullah qasim 2021-2-4
Dear
I have a matrix to say it's R, which is 101 x 101
R (101x101)
I want to find the highest point 'max (R)'
When I want to run code
Re=max (R);
The result is a matrix "1 x 101", but I want one point, the highest point.
Also, I want a minimum a point and Average
And if there is any help with codes and commands ,
Thanks

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Peter Bonavita
Peter Bonavita 2021-2-4
编辑：Peter Bonavita 2021-2-4
Michael V's answer here also applies to your question:
https://www.mathworks.com/matlabcentral/answers/47428-to-find-the-maximum-value-in-a-matrix
Reason is that max(R) is a vector containing the maximum value of each column.
This syntax finds the max of the entire matrix:
M = max(R, [], 'all');
Similar for minimum:
M = min(R,[],'all')
and mean:
M = mean(R,'all')

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