How to find permutation cycle in matlab?

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Ammy
Ammy 2018-2-10
回答： Ammy 2018-2-10
A=
4 1 2 3
1 2 3 4
2 3 4 1
3 4 1 2
I define a function
s4(i)=j for which i , j = 4
as in my case
s4(1)=1
s4(2)=4
s4(3)=3
s4(4)=2
and find permutation as; (1)(24)(3)
How can I find these cycles in matlab ?

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回答（1 个）

Ammy
Ammy 2018-2-10
No, sorry I want to find the position of a number in a matrix then I define a mapping and I want to write in a cycle as I explained in my example.

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