Bugs in plot3d and mgnuplot



I can't reproduce either of these problems. Can anyone else?

--Jim

On Sun, 2004-05-09 at 10:43, Jaime E. Villate wrote:
> Hi,
> I run across a bug with parametric plots:
> 
>   Maxima version: 5.9.0.1cvs
>   Maxima build date: 16:24 5/9/2004
>   host type: i686-pc-linux-gnu
>   lisp-implementation-type: CLISP
>   lisp-implementation-version: 2.28 (released 2002-03-03) (built 3233846338) (memory 3293105089)
> 
>   (C5) plot3d([cos(x)*(3+y*cos(x/2)),sin(x)*(3+y*cos(x/2)),y*sin(x/2)],[x,-%pi,%pi],[y,-1,1]);
>   Maxima encountered a Lisp error:
> 
>    symbol FIXNUM has no value
> 
> I also get an error when trying to use mgnuplot, because it has not been
> made "executable" by make:
> 
>   (C6) plot3d(2^(-u^2+v^2),[u,-5,5],[v,-7,7],[plot_format,mgnuplot]);
>   /bin/bash: line 1: /home/villate/cvs.sourceforge.net/maxima/plotting/mgnuplot: Permission denied
> 
> I can solve that easily with a "chmod +x mgnuplot", but shouldn't make do it?
> it does in the case of omplotdata.
> 
> Regards,
> Jaime
> 
> _______________________________________________
> Maxima mailing list
> Maxima@www.math.utexas.edu
> http://www.math.utexas.edu/mailman/listinfo/maxima