Extracting a column of a matrix as a column vector

Dirk Laurie on Wed, 17 May 2017 17:04:56 +0200

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Extracting a column of a matrix as a column vector

To: "pari-users@pari.math.u-bordeaux.fr" <pari-users@pari.math.u-bordeaux.fr>
Subject: Extracting a column of a matrix as a column vector
From: Dirk Laurie <dirk.laurie@gmail.com>
Date: Wed, 17 May 2017 17:04:47 +0200

I have various clumsy solutions:

vector(matsize(A)[1], i, A[i,j])~
Vec(vecextract(A,j))[1]

I feel I am missing a trick here.

Follow-Ups:
- Re: Extracting a column of a matrix as a column vector
  - From: Loïc Grenié <loic.grenie@gmail.com>
- Re: Extracting a column of a matrix as a column vector
  - From: Bill Allombert <Bill.Allombert@math.u-bordeaux.fr>

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