Re: [Maxima-discuss] sign of permutation

[Jaime V. <vi...@fe...>]

On 05/05/23 18:24, Daniel Volinski via Maxima-discuss wrote:
> Is there a command in Maxima the calculates the sign of a permutation?
>
> Given a base permutation (a list) and a test permutation (a list) of 
> the same elements,
> I would l like a command to calculate the number of switches needed to 
> go from one
> to the other or (alternatively) whether this number is odd or even.
>
Hello Daniel,

Function perm_parity, from additional package combinatorics, will give 0 
if the permutation is even or 1 if it is odd.

Regards,

Jaime