Re: Pari\Gp

Bill Allombert on Tue, 12 Jun 2012 12:08:11 +0200

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Re: Pari\Gp

To: pari-users@pari.math.u-bordeaux.fr
Subject: Re: Pari\Gp
From: Bill Allombert <Bill.Allombert@math.u-bordeaux1.fr>
Date: Tue, 12 Jun 2012 12:08:05 +0200
Delivery-date: Tue, 12 Jun 2012 12:08:11 +0200
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On Tue, Jun 12, 2012 at 12:45:04PM +0300, Ahmad Kamal wrote:
> Hello
> 
> I want to ask a question related to elliptic curves:
> 
> Is there any method to compute the x coordinate if we have the y coordinate
> using pari\gp?

Yes, you can use factor/polroots/polrootsmod to find the solutions of the equation in x.
Cheers,
Bill.

References:
- Pari\Gp
  - From: Ahmad Kamal <drkamal.mtc@gmail.com>

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