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Re: Problem with eig in Octave 3.2.4
From: |
Martin Helm |
Subject: |
Re: Problem with eig in Octave 3.2.4 |
Date: |
Fri, 30 Jul 2010 13:28:06 +0200 |
User-agent: |
KMail/1.12.4 (Linux/2.6.31.12-0.2-desktop; KDE/4.3.5; x86_64; ; ) |
Am Freitag, 30. Juli 2010 12:44:42 schrieb Liviu Vladutu:
> Yes it worked, sorry Martin .
> But I still have problems reading (with imread) a valid bmp
> file. I get:
>
> error: imread: invalid image file:
> /usr/local/libexec/octave/3.2.4/oct/i686-pc-linux-gnu/__magick_read__.oct:
> undefined symbol: _ZTIN6Magick9ExceptionE
> error: called from:
> error: /usr/local/share/octave/3.2.4/m/image/imread.m at line 74, column
> 7
>
> On Fri, Jul 30, 2010 at 1:27 PM, Martin Helm <address@hidden> wrote:
> > Am Freitag, 30. Juli 2010 12:00:10 schrieb Liviu Vladutu:
> > > V = [-0.818395 -0.315302 -0.480434
> > > 0.434733 0.207055 00.876433
> > > -0.375818 0.926128 0.032380]
> >
> > I cannot really see why this should be wrong
> >
> > v*l*v'
> > ans =
> >
> > 1.0000 3.0000 -2.0000
> > 3.0000 5.0000 1.0000
> > -2.0000 1.0000 4.0000
> >
> > (with the v you posted) gives the original matrix as it should.
> >
> > l =
> >
> > Diagonal Matrix
> >
> > -1.5120 0 0
> > 0 4.9045 0
> > 0 0 6.6076
> >
> >
> > - mh
>
Can you check which graphicsmagick version is installed on your system? I
remember there is a problem with the 1.3 versions (on my machine I work with
1.2.10).
There is also an old thread with that "undefined symbol" problem which
mentions libjpeg and libpng, can you check this libs as well
http://old.nabble.com/imread-imwrite-td18142037.html
- mh
Re: Problem with eig in Octave 3.2.4, Martin Helm, 2010/07/30
Re: Problem with eig in Octave 3.2.4, David Bateman, 2010/07/30