The README File
The README FileThis set of Matlab scripts will calculate the irreducible characters and
the irreducible matrix representatives of a finite group.
IrrepMain.m is the main script which will read the input data and will
during execution call the functions inverse.m, genera.m, classes.m,
charac.m (modulus.m), repres.m, permu.m, degen.m, intsec.m, subsp.m,
eigvec.m and mgt.m.
Three input files shall be submitted for execution. The contents of
steer.dat will control the amount of output data. One file containing the
order of the group and one file containing the multiplication table of the
group shall be supplied.
Example input files are supplied; order_C3.dat, C3.dat for the group C3,
order_D4.dat, D4.dat for the group D4 and order_C4v_C4v.dat, C4v_C4v.dat
for the group C4vxC4v.
This program package is an extension of the QCPE 169 Fortran program.
This set of files will also handle irreducible representation matrices
with no nondegenerate eigenvalues of the matrix representatives. The
finite group C4vxC4v is an example of this problem.
These set of files is a stand alone program package. The Matlab scripts
are also used by SYMPRJ.m/SYMPW.m and SYMPRJS.m/SYMPWS.m as Matlab
functions.
For further information, please see the document
ProgramIrrep.doc(pdf).
File List for Irreducible_representatives Directory
 Irrep.zip [79kB] :
Irreducible representations of finite groups
To see individual files in the
Irrep.zip archive above, please
click [ here ].
The contribution is submitted as a Zipfile.
The Matlabscripts have been
developed using UNIX(Solaris 9)Matlab, but have also been run using
Windows 2000Matlab. The scripts should be equally applicable to UNIX as
to Windows. Some files look strange, displaying them in Windows Vista.
The set of files should be contained in one folder. The Weblink
http://hem.bredband.net/b237010/
has been advertised at the QCPE Web site.
PerOlof Jansson
perolof.jansson[#]bredband.net
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