RE: dmperm

[Eike Friedrich]

Thank you,
I now have octave-2.9.7. Now "help dmperm" works, but I cannot use the
function, I get:
error: dmperm: not available in this version of Octave

When I configured octave-2.9.7 I got;
configure: WARNING: I didn't find gperf, but it's only a problem if you need
to reconstruct oct-gperf.h
configure: WARNING: I didn't find flex, but it's only a problem if you need
to reconstruct lex.cc
configure: WARNING: I didn't find bison, but it's only a problem if you need
to reconstruct parse.cc
configure: WARNING: UMFPACK not found.  This will result in some lack of
functionality for sparse matrices.
configure: WARNING: COLAMD not found. This will result in some lack of
functionality for sparse matrices.
configure: WARNING: CCOLAMD not found. This will result in some lack of
functionality for sparse matrices.
configure: WARNING: CHOLMOD not found. This will result in some lack of
functionality for sparse matrices.
configure: WARNING: CXSparse not found. This will result in some lack of
functionality for sparse matrices.
configure: WARNING: HDF5 library not found.  Octave will not be able to save
or load HDF5 data files.

I am guessing that I need UMFPACK and the other sparse matrix related
material in order to get this working? Can you tell me how to incorporate
this or how you got dmperm working?

Eike
> 
> The routine dmperm is a sparse matrix routine, so it is relatively new to
> octave. It exists and works in my octave-2.9.7, which was built from the
> source code at octave.org. My "help dmperm" also works. Because it depends
> on the sparse matrix libraries, I doubt that it can be easily adapted to
> octave-2.1.x.
> 
> Joe
>