I will be teaching introductory pdes in the fall at my institution
(Calvin College). I have done so before, about 3 years ago, and used
Octave as the software package for the course. At that time, there
was a "package" (don't recall if it was available through the octave-
forge site, but think probably not) which, though out of date at the
time and requiring a separate executable to generate the mesh, was
adequate for teaching rudimentary finite element methods.
I was excited to see that there are packages, namely fpl and msh, now
available through octave-forge, which may be more up-to-date and
easier to use. I installed both by first downloading the zipped
tarballs and then running
> pkg install ...
I had not first noted the dependence upon gmsh. Anyway, the "pkg
install" command above produced no errors for either package, so I
thought everything was fine. Even with the dependence upon gmsh, I
am unsure why things like
> help MSH3Mgmsh
produce the message
help: `MSH3Mgmsh' not found
I have since gone and got gmsh. Since I am working on a Mac, the
best way seemed via a disk image (.dmg) file which, when mounted,
gave me Gmsh.app, which I could drag into my applications folder.
Now I can run Gmsh. What I do not have, however, is the ability to
run gmsh from a terminal (could probably set that up with an alias),
if that matters. Is there some "switch", amounting to "which gmsh",
that is checked at the time these packages are installed and, when it
fails, keeps the package from being installed? That would seem quite
strange in light of the fact that
> pkg list
lists both fpl and msh as 'installed'.
Thomas L. Scofield
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Associate Professor
Department of Mathematics and Statistics
Calvin College
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