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how to sort a matrix?

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Hugo Matias
Hugo Matias 2018-12-1
编辑： Stephan 2018-12-1
How do i do this:
before:
a=[3 9 5 7;
3 0 1 2;
11 2 0 9];
after:
a=[11 9 9 7;
5 3 3 2;
2 1 0 0;]

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回答（1 个）

Stephan
Stephan 2018-12-1
编辑：Stephan 2018-12-1
Hi,
try:
>> a = [3 9 5 7; 3 0 1 2; 11 2 0 9]
a =
3 9 5 7
3 0 1 2
11 2 0 9
>> b = reshape(fliplr(sort(reshape(a,1,[]))),4,3)'
b =
11 9 9 7
5 3 3 2
2 1 0 0
Best regards
Stephan

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