Re: Solve an non-homogeneous system of equations mod Z.

[Bill Allombert <Bill.Allombert@math.u-bordeaux.fr>]

On Sun, Jan 08, 2023 at 11:19:59AM +0800, Hongyi Zhao wrote:
> On Sun, Jan 8, 2023 at 1:49 AM Bill Allombert
> <Bill.Allombert@math.u-bordeaux.fr> wrote:
> >
> > On Sat, Jan 07, 2023 at 09:29:55PM +0800, Hongyi Zhao wrote:
> > > On Sat, Jan 7, 2023 at 5:31 PM Bill Allombert
> > > > One possible solution
> > > > Take w = [0,0,1/4]~
> > >
> > > This solution is not given in advance. We need to find such things
> > > first. How did you find such a solution?
> >
> > You should start by replacing mat1 by matriqz(mat1,-2) as I suggested.
> 
> There is a typo in the command "matriqz" mentioned above, which should
> be written as "matrixqz".

Indeed.
 
> IIRC, as far as this problem is concerned, you haven't mentioned
> matrixqz in the whole discussion process.

Fortunately, this list is archived, so we do not have to relie on memory.
My first post in this thread is
<https://pari.math.u-bordeaux.fr/archives/pari-users-2301/msg00001.html>
which end by "I suggest you look up matrixqz."

Cheers,
Bill.