How to find largest magnitude in matrix?

22 次查看(过去 30 天)
2 1 7
3 4 2
11 -22 13
B = largest magnitude
B = -22

采纳的回答

Image Analyst
Image Analyst 2016-3-9
Try this:
B=[2 1 7
3 4 2
11 -22 13]
[maxB, index] = max(abs(B(:)))
maxB = maxB * sign(B(index))

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