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Bill Allombert on Fri, 26 Jan 2024 19:16:31 +0100
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- To: pari-users@pari.math.u-bordeaux.fr
- Subject: Re: rational matrices
- From: Bill Allombert <Bill.Allombert@math.u-bordeaux.fr>
- Date: Fri, 26 Jan 2024 19:16:19 +0100
- Delivery-date: Fri, 26 Jan 2024 19:16:31 +0100
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On Fri, Jan 26, 2024 at 09:58:35AM -0800, William Jagy wrote:
> Dear Pari-users,
> My name is Will Jagy.
> I would like to know whether two commands,
>
> qfgaussred()
> qfsign()
>
> work entirely with integers and rational numbers when given a square
> symmetric matrix of integers, so that no numerical errors are introduced.
>
Yes, they use rational arithmetic.
Cheers,
Bill