Re: Missing is_real_vector and is_real_matrix

[Martin Helm]

Am Dienstag, 3. Mai 2011, 22:57:16 schrieb Thomas Reinemann:
> Hello,
> 
> I installed octave yesterday and tried to use the tf function. But I
> alway receive an error message like
> 
> octave:3> sys = tf (n, d)
> error: `is_real_vector' undefined near line 38 column 15
> error: called from:
> error:   /usr/share/octave/packages/control-2.0.1/@tfpoly/tfpoly.m at
> line 35, column 7
> error:   /usr/share/octave/packages/control-2.0.1/__vec2tfpoly__.m at
> line 32, column 7
> error:   /usr/share/octave/packages/control-2.0.1/@tf/tf.m at line 123,
> column 5
> 
> 
> A search in the installation directory showed that the function is used
> in many places. But there isn't a function which provides
> is_real_vector. The same is true for is_real_matrix.
> 
> Which package contains both functions?
> 
> I use OpenSuse 11.2 and installed via the OpenSuse
> 
> download.opensuse.org/repositories/science/openSUSE_11.2/
> 
> repository.
> 
> Thanks Tom

Just to be sure, can you check if your version of octave is shown as 3.4.0 
when you start it (just to confirm that both octave and octave-forge-control 
are installed from the same repository)?