mailImplementation of the first numerical solution model for the relaxation dispersion analysis in relax.


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Posted by Edward d'Auvergne on July 12, 2013 - 18:44:
Hi,

Just so you know, the first numerical model has been implemented in
relax.  This is the one using the complex conjugate matrices from
http://thread.gmane.org/gmane.science.nmr.relax.devel/4132.  You can
see the code in the files:

lib/dispersion/ns_2site_star.py
lib/dispersion/ns_matrices.py
lib/linear_algebra/matrix_power.py
target_functions/relax_disp.py
specific_analyses/relax_disp/api.py
specific_analyses/relax_disp/variables.py

The first 3 contain the code from the 'fitting_main_kex.py' file
attached to https://gna.org/task/?7712#comment3
(https://gna.org/support/download.php?file_id=18263), and the above
link.  These will require checking and authorship corrected or added
to the copyrights.  The last 3 contain code I wrote to support the
model and its optimisation (most of it was to support the R2A and R2B
parameters as this was not handled by relax before).

You can see all the changes by typing in the prompt and base directory
of the relax_disp branch the following:

$ svn up; svn log -v | less

Look at revisions r20269 to r20289.  The only thing not implemented
yet are system/unit/GUI tests.  However if you run:

./relax -s Relax_disp.test_hansen_cpmg_data_auto_analysis

you will see this model applied to a truncated set of CMPG data from
Flemming Hansen.  You will also see that there is still some debugging
(parameter description and mapping issues) to do before this is fully
functional.

Regards,

Edward



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