How to get the min and max values of a randomized matrix?
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Hellow. I'm currently making a 20x20 matrix where each value of the matrix is a random number between 0-128, as well as fincing the largest and smallest values generated by said matrix. However, whenever I use the M=min/max(A) functions, my min/max values keep remaining the same (97 for min and 116 for max) despite the matrix generating numbers greater and smaller than those two values. Could someone explain why this is happening?
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Chunru
2022년 9월 19일
A = randi([0 128], [20, 20])
maxA = max(A(:))
minA = min(A(:))
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Chunru
2022년 9월 20일
I am not sure what you have exactly done since you did not post your code.
Here is my guess: max(A(:)) or max(A, [], 'all') find max of all elements of A while max(A) find the max along column of A.
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