"Wrong usage" error message when trying to plot with plot3d or contour_plot



On Fri, May 27, 2011 at 11:33 PM, Robert Dodier <robert.dodier at gmail.com> wrote:

> You can disable the error by searching for the error message
> in your copy of plot.lisp (somewhere in your Maxima installation)
> and changing merror to mtell. Then load("FOO/plot.lisp"); where FOO =
> the appropriate path,
> will load your modified copy.
> I will probably make the same change in the project source code;
> I'm pretty sure others have run into the same problem.

There is no such file in my system. I'm using the standard maxima
package that comes from the Debian repositories. --version shows:

Maxima 5.21.1