On 2020-06-15 10:58, 'Paul Mercat' via sage-devel wrote:
> Hi !
>
> Sage doesn't compute correctly the matrix of a Permutation:
>
> matrix(Permutation('(1,2,3,4)'))
>
> return a wrong answer: it returns the inverse of the correct result.
> The product of matrices of permutations must be equal
Hi !
Sage doesn't compute correctly the matrix of a Permutation:
matrix(Permutation('(1,2,3,4)'))
return a wrong answer: it returns the inverse of the correct result.
The product of matrices of permutations must be equal to the matrix of the
composition.
If we do: