From: Anatoly Chernyshev <achernyshev@gmail.com>
Subject: Re: problem with Real_Matrix*Real_Matrix
Date: Tue, 18 Sep 2012 11:39:35 -0700 (PDT)
Date: 2012-09-18T11:39:35-07:00 [thread overview]
Message-ID: <b7da7eb6-7551-4ff6-8cc0-a67bb25b6396@googlegroups.com> (raw)
In-Reply-To: <4829eef7-891e-434e-8795-a75a5b38aa7f@googlegroups.com>
On Tuesday, September 18, 2012 10:16:21 PM UTC+4, Egil Høvik wrote:
> On Monday, September 17, 2012 3:37:15 PM UTC+2, reinkor wrote:
> > Put(r*M);
>
> As Anatoly pointed out, the bug is in Vector_Matrix_Product.
>
> There's also a Matrix_Vector_Product, so you can probably work
>
> around the bug by doing M*r instead.
These operations are not commutative, yet if there's one bug, there must be another. For the time being I would suggest to switch to something tested by time, like lapack.
next prev parent reply other threads:[~2012-09-18 18:39 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-17 13:37 problem with Real_Matrix*Real_Matrix reinkor
2012-09-17 17:01 ` Niklas Holsti
2012-09-18 10:18 ` Anatoly Chernyshev
2012-09-18 10:50 ` Simon Wright
2012-09-18 17:10 ` Anatoly Chernyshev
2012-09-18 18:16 ` Egil Høvik
2012-09-18 18:39 ` Anatoly Chernyshev [this message]
2012-09-18 19:23 ` Simon Wright
2012-09-18 20:33 ` AdaMagica
2012-09-19 6:11 ` reinkor
2012-09-19 8:17 ` Simon Wright
2012-09-19 8:55 ` Ken Thomas
replies disabled
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox