Re: #matr~ vs ##matr (and: arity, questenian and !!)

Bill Allombert on Fri, 01 Dec 2023 23:41:31 +0100

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Re: #matr~ vs ##matr (and: arity, questenian and !!)

To: pari-dev@pari.math.u-bordeaux.fr
Subject: Re: #matr~ vs ##matr (and: arity, questenian and !!)
From: Bill Allombert <Bill.Allombert@math.u-bordeaux.fr>
Date: Fri, 1 Dec 2023 23:41:18 +0100
References: <20210205134643.ihupkp7klxab4cxb@math.berkeley.edu> <20210205135448.rm5xdgmlsfjmty3z@math.berkeley.edu> <ZWQRkHqLoM9M3tN2@login.math.berkeley.edu> <ZWpVXFjgTIRCX8QZ@login.math.berkeley.edu>

On Fri, Dec 01, 2023 at 01:51:24PM -0800, Ilya Zakharevich wrote:
> >   ##object  return “the arity” of the object: 2/1/0 for matrices/vectors/scalars 
> >   	    (and maybe -1 for the “tricky” cases, when/if an object may
> >   	     be used as a scalar AND as a vector/matrix/etc.).

How would you use this data ?

Cheers,
Bill.

Follow-Ups:
- Re: #matr~ vs ##matr (and: arity, questenian and !!)
  - From: Ilya Zakharevich <nospam-abuse@ilyaz.org>

References:
- Re: #matr~ vs ##matr (and: arity, questenian and !!)
  - From: Ilya Zakharevich <nospam-abuse@ilyaz.org>

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