|
Bill Allombert on Mon, 04 Aug 2025 21:16:37 +0200
|
[Date Prev] [Date Next] [Thread Prev] [Thread Next] [Date Index] [Thread Index]
|
Re: Question about the use of mfslashexpansion
|
- To: pari-users@pari.math.u-bordeaux.fr
- Subject: Re: Question about the use of mfslashexpansion
- From: Bill Allombert <Bill.Allombert@math.u-bordeaux.fr>
- Date: Mon, 4 Aug 2025 21:16:34 +0200
- Delivery-date: Mon, 04 Aug 2025 21:16:37 +0200
- Dkim-signature: v=1; a=rsa-sha256; c=relaxed/simple; d=math.u-bordeaux.fr; s=2022; t=1754334995; bh=7XJ3oBdLq7CyW+6cPN20EDZGSZ0tNVh6hnbIy5KC6fg=; h=Date:From:To:Subject:References:In-Reply-To:From; b=MAxe0Fu1oO3hJOuDHGGlLIHQahzVsypc5+D/ecUeD6E5mo5IyyUPrV78CFSVQs46R Lb7DZwfCCajyknmWAEUSd/PNPzyocjXPHgnx9+QGsd+ARRE6EDs82hxmI5CvIqf9hL aHX82qBYl+5Dl59Sto5LyXQnfV36317Ljd+St8dpJOKrfrFzi6ZqSlbvhd8HYbW/MY 8LnI5TvJwCHrAQzt5pDjbLm4air9Km6fv76VmJRs2PnLBsWiCHkaJsyswSCgjNgPxQ EDa3MuYeg0uQboQ03xjWrpdbWTvZZfjnP2BAgsR94BAfgj2YCb85161QyXAYB+HVnE 5y6rlbn0uT3tJqq/1n0V+hADscFFjMdS5I8/J5NUi79IEtjBNnD7xIcGxSPYgL/Zla MIYYwFNTbFzCR8MgVK47jo8Sm2aT8j8hbJD8T0uBYBXA2e4oHiRM/m+LF+Nc4JtwVk WQ+6gAm2wUO7zGcqlNWwxeNdmqsTjfExlvIFn7t7lth4zfKPG4CpavTx9sBa/iFHV5 PzY13osPQnufeJ9XRiDtGuSKWUFSv/TX5x75se735zBwPjwBca5bJE0+EFTvcikZVF cWpv9+Yr4G1cEoxo+RYAk6+bQ4mNasAqNaj1tm6SaBc4aGrRqsOOJUjV3lxmIhnu9m mCy2nFuXapDuXmNKM9Xqagws=
- In-reply-to: <SJ0PR19MB47621BC2E84650060C9C92BE8023A@SJ0PR19MB4762.namprd19.prod.outlook.com>
- Mail-followup-to: pari-users@pari.math.u-bordeaux.fr
- References: <SJ0PR19MB47621BC2E84650060C9C92BE8023A@SJ0PR19MB4762.namprd19.prod.outlook.com>
On Mon, Aug 04, 2025 at 04:54:21PM +0000, LNU, Swati wrote:
> Hello,
> I was trying to understand the use of mfslashexpansion via the following example but it is giving me incorrect answers:
> I am trying to compute the action of eta(z)^8 * eta(2z)^8 acted by U_2 which equals -8 * q + 64 * q^2 - 96 * q^3 + .... On the other hand,
> a = mffrometaquo([1, 8; 2, 8]);
> b = mfinit(a);
> c = 8 * (mfslashexpansion(b, a, [1, 0; 0, 2], 50, 0) + mfslashexpansion(b, a, [1, 1; 0, 2], 50, 0))
>
> [0, 0, -8, 0, 64, 0, -96, 0, -512, 0, 1680, 0, 768, 0, -8128, 0, 4096, 0, 16344, 0, -13440, 0, -8736, 0, -6144, 0, -11056, 0, 65024, 0, 20160, 0, -32768, 0, -117648, 0, -130752, 0, 319520, 0, 107520, 0, -97536, 0, 69888, 0, -549696, 0, 49152, 0, 272200]
Why do you think the answer is incorect ?
Cheers,
Bill.