==========================================My .bashrc ==============================================================================
[me@mycentos ~]$ cat .bashrc 
# .bashrc

# Source global definitions
if [ -f /etc/bashrc ]; then
        . /etc/bashrc
fi

export MPITB_ROOT=/home/me/octave/mpitb

export LD_LIBRARY_PATH=/usr/lib:/usr/lib/openmpi/1.2.3-gcc:/usr/lib/openmpi/1.2.3-gcc/openmpi:/usr/lib/octave-2.9.13:/usr/lib/gcc/i386-redhat-linux/4.1.2

export PATH=/usr/kerberos/bin:/usr/local/bin:/bin:/usr/bin:/home/me/bin:/usr/share/openmpi/1.2.3-gcc/bin32:/home/me/mpitb

#export LD_LIBRARY_PATH=/usr/lib:/usr/lib/lam


# User specific aliases and functions
[me@mycentos ~]$ 

========================================================================================================================



============================================OCTAVE============================================================================
[me@mycentos mpitb]$ octave
GNU Octave, version 2.9.13
Copyright (C) 2007 John W. Eaton and others.
This is free software; see the source code for copying conditions.
There is ABSOLUTELY NO WARRANTY; not even for MERCHANTIBILITY or
FITNESS FOR A PARTICULAR PURPOSE.  For details, type `warranty'.

Octave was configured for "i686-redhat-linux-gnu".

Additional information about Octave is available at http://www.octave.org.

Please contribute if you find this software useful.
For more information, visit http://www.octave.org/help-wanted.html

Report bugs to <bug@octave.org> (but first, please read
http://www.octave.org/bugs.html to learn how to write a helpful report).

For information about changes from previous versions, type `news'.

    stdlones added
    Minimal test:
        MPI_Init, [a b]=MPI_Initialized, MPI_Finalize, [a b]=MPI_Finalized
    Examples of environment variables to affect MPI behaviour
        LAM/MPI SSI iface: putenv('LAM_MPI_SSI_rpi',     'lamd'), MPI_Init
        OpenMPI MCA iface: putenv('OMPI_MCA_btl_base_debug','2'), MPI_Init
    Help on MPI: help mpi
octave:1> 

========================================================================================================================


=============================================path within octave =====================================================

Octave's search path contains the following directories:

.
/home/me/octave/mpitb/utils
/home/me/octave/mpitb/startups
/home/me/octave/mpitb/DLD
/home/me/octave/mpitb/mpi
/usr/libexec/octave/site/oct/api-v25/i686-redhat-linux-gnu
/usr/libexec/octave/site/oct/i686-redhat-linux-gnu
/usr/share/octave/site/m
/usr/share/octave/site/m/startup
/usr/libexec/octave/2.9.13/oct/i686-redhat-linux-gnu
/usr/share/octave/2.9.13/m
/usr/share/octave/2.9.13/m/plot
/usr/share/octave/2.9.13/m/optimization
/usr/share/octave/2.9.13/m/linear-algebra
/usr/share/octave/2.9.13/m/testfun
/usr/share/octave/2.9.13/m/audio
/usr/share/octave/2.9.13/m/special-matrix
/usr/share/octave/2.9.13/m/pkg
/usr/share/octave/2.9.13/m/control
/usr/share/octave/2.9.13/m/control/base
/usr/share/octave/2.9.13/m/control/obsolete
/usr/share/octave/2.9.13/m/control/hinf
..........................................
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========================================================================================================================