[Maxima-discuss] Maxima Can't Find gnuplot

[Chuck Allison]

Hello,

I just installed maxima on Max OS X Yosemite. When I try to use a plot command, I get the following error:

(%i3) f(x,y):= sin(x) + cos(y);
plot3d(f(x,y), [x,-5,5], [y,-5,5]);(%o3) f(x, y) := sin(x) + cos(y)
(%i4)

Maxima encountered a Lisp error:

Couldn't execute "gnuplot": No such file or directory

Automatically continuing.
To enable the Lisp debugger set *debugger-hook* to nil.


Any ideas on how to help Maxima find gnuplot? I tried adding its directory to $PATH but that didn’t help.

Thanks.

Chuck

[Juan Pablo Romero Bernal]

Hi,

can you run gnuplot from terminal ?

Make sure the directory of the gnuplot executable file is in PATH.

Try to install gnuplot using homebrew.

Post by Chuck Allison
Hello,
I just installed maxima on Max OS X Yosemite. When I try to use a plot
(%i3) f(x,y):= sin(x) + cos(y);
plot3d(f(x,y), [x,-5,5], [y,-5,5]);(%o3) f(x, y) := sin(x) + cos(y)
(%i4)
Couldn't execute "gnuplot": No such file or directory
Automatically continuing.
To enable the Lisp debugger set *debugger-hook* to nil.
Any ideas on how to help Maxima find gnuplot? I tried adding its directory
to $PATH but that didn’t help.
Thanks.
Chuck
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[Philippe Piot]

Hi,
I had the same problem on my mac. You just need to let maxima know
where the gnuplot exec. To do so you can simply add the following line
in your script (I am sure there is a way to do that permanently
through a preference menu but I did not bother figuring it out...):
gnuplot_command : sconcat("/opt/local/bin/gnuplot")$

I hope this helps! -- Philippe.
Philippe Piot,
http://nicadd.niu.edu/~piot/wiki/pmwiki.php

Northern Illinois University, Dept of Physics and
Northern Illinois Center for Accelerator & Detector Development
DeKalb, IL 60115, USA
Tel: [phone], Fax: [phone]
Web: http://www.physics.niu.edu/physics/

Fermi National Accelerator Laboratory,
Accelerator Physics Center, MS 306
PO Box 500, Batavia, IL 60510, USA
Tel: [phone], Fax [phone]
Web: http://apc.fnal.gov/


On Thu, Nov 27, 2014 at 8:55 AM, Juan Pablo Romero Bernal

Post by Juan Pablo Romero Bernal
Hi,
can you run gnuplot from terminal ?
Make sure the directory of the gnuplot executable file is in PATH.
Try to install gnuplot using homebrew.

Post by Chuck Allison
Hello,
I just installed maxima on Max OS X Yosemite. When I try to use a plot
(%i3) f(x,y):= sin(x) + cos(y);
plot3d(f(x,y), [x,-5,5], [y,-5,5]);(%o3) f(x, y) := sin(x) + cos(y)
(%i4)
Couldn't execute "gnuplot": No such file or directory
Automatically continuing.
To enable the Lisp debugger set *debugger-hook* to nil.
Any ideas on how to help Maxima find gnuplot? I tried adding its directory
to $PATH but that didn’t help.
Thanks.
Chuck
------------------------------------------------------------------------------
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--
Juan
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