gsqrt on matrices

Sam Steingold on Thu, 03 Jun 2010 21:21:12 +0200

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gsqrt on matrices

To: pari-users list <pari-users@list.cr.yp.to>
Subject: gsqrt on matrices
From: Sam Steingold <sds@gnu.org>
Date: Thu, 03 Jun 2010 13:59:53 -0400
Delivery-date: Thu, 03 Jun 2010 21:21:12 +0200
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is gsqrt supposed to work on matrices?
? [2,1;1,2]*[2,1;1,2]
%1 =
[5 4]

[4 5]

? sqrt(%1)
%2 =
[2.2360679774997896964091736687312762354 2.0000000000000000000000000000000000000]

[2.0000000000000000000000000000000000000 2.2360679774997896964091736687312762354]

? %2*%2
%3 =
[9.0000000000000000000000000000000000000 8.9442719099991587856366946749251049417]

[8.9442719099991587856366946749251049417 9.0000000000000000000000000000000000000]

?

Follow-Ups:
- Re: gsqrt on matrices
  - From: Karim Belabas <Karim.Belabas@math.u-bordeaux1.fr>

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