eigenvectors with maxima



On Thu, Feb 25, 2010 at 11:48 AM, V <vascotenner at gmail.com> wrote:

> On 2/22/10, Robert Dodier <robert.dodier at gmail.com> wrote:

>> what is the value of file_search_maxima ?
> (%i2) file_search_maxima ;
> (%o2) [/home/vasco/.maxima/###.{mac,mc},
> /usr/share/maxima/5.20.1/share/###.{mac,mc}, /usr/share/maxima/5.20.1/share/{a\
> ffine,algebra,algebra/charsets,algebra/solver,calculus,combinatorics,contrib,c\
> ontrib/amatrix,contrib/bitwise,contrib/boolsimp,contrib/descriptive,contrib/di\
> ffequations,contrib/diffequations/tests,contrib/distrib,contrib/ezunits,contri\
> b/finance,contrib/format,contrib/fourier_elim,contrib/fractals,contrib/fresnel\
> ,contrib/gentran,contrib/gentran/test,contrib/gf,contrib/graphs,contrib/Grobne\
> r,contrib/integration,contrib/levin,contrib/lurkmathml,contrib/maximaMathML,co\
> ntrib/mcclim,contrib/namespaces,contrib/noninteractive,contrib/numericalio,con\
> trib/pdiff,contrib/prim,contrib/rand,contrib/sarag,contrib/simplex,contrib/sim\
> plex/Tests,contrib/solve_rec,contrib/state,contrib/stats,contrib/stringproc,co\
> ntrib/vector3d,contrib/unit,contrib/Zeilberger,diff_form,diffequations,dynamic\
> s,draw,lapack,lbfgs,linearalgebra,integequations,integration,macro,matrix,minp\
> ack,misc,numeric,orthopoly,hypergeometric,physics,simplification,sym,tensor,te\
> nsor/tests,trigonometry,utils,vector}/###.{mac,mc}]
>
>>
>> what does file_search(eigen) return?
> (%i3) ?file_search(eigen);
> (%o3) ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?false
>> what about file_search("eigen") ?
> (%i4) file_search("eigen");
> (%o4) ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?false
>
>> what about file_search("eigen.mac") ?
> (%i5) ?file_search("eigen.mac");
> (%o5) ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?false

Hmm. What does

  find  /usr/share/maxima/5.20.1  -name  eigen.\*

display?

If it finds something, e.g. /usr/share/maxima/5.20.1/share/whatever/eigen.mac
what happens if you try to load that? e.g.

load ("/usr/share/maxima/5.20.1/share/whatever/eigen.mac");

I'm running out of ideas, maybe someone else can help.
Please let's continue this on the maxima list instead of
replying to me only.

best

Robert Dodier