From bug-octave-request at bevo dot che dot wisc dot edu  Mon Nov 23 09:08:51 1998
Subject: det() broken on alpha/DigitalUnix4.0
From: "John W. Eaton" <jwe at bevo dot che dot wisc dot edu>
To: Michael Smolsky <fnsiguc at weizmann dot weizmann dot ac dot il>
Cc: bug-octave at bevo dot che dot wisc dot edu
Date: Mon, 23 Nov 1998 09:08:30 -0600 (CST)

On 23-Nov-1998, Michael Smolsky <fnsiguc at weizmann dot weizmann dot ac dot il> wrote:

| Bug report for Octave 2.0.10 configured for alphaev56-dec-osf4.0b
| 
| Description:
| -----------
| 
|  det() is calculated incorrectly
| 
| I'm not subscribed to the octave mailing list. Please, inform me if the
| fix is available, and also which release I need to get to apply the
| patch.
| 
| Repeat-By:
| ---------
| 
| octave:
| 
| {9}»Q=[1,-1;-1,2]*1e2;det(Q)
| ans = 1
| 
| while in Matlab:
| >> Q=[1,-1;-1,2]*1e2;det(Q)
| ans =
|        10000
| 
| (as it should be). This example is not unique.

I can't reproduce this problem using Octave 2.0.12, or the 2.0.13.93
(the current test release) on an alphaev56-dec-osf4.0b system, so
perhaps the problem is fixed.

jwe