r23953 - /branches/disp_spin_speed/lib/dispersion/ns_cpmg_2site_3d.py -- June 15, 2014 - 08:53

Author: tlinnet
Date: Sun Jun 15 08:53:40 2014
New Revision: 23953

URL: http://svn.gna.org/viewcvs/relax?rev=23953&view=rev
Log:
Wrote the essential dot matrix up to be initiated earlier.

Task #7807 (https://gna.org/task/index.php?7807): Speed-up of dispersion 
models for Clustered analysis.

Modified:
    branches/disp_spin_speed/lib/dispersion/ns_cpmg_2site_3d.py

Modified: branches/disp_spin_speed/lib/dispersion/ns_cpmg_2site_3d.py
URL: 
http://svn.gna.org/viewcvs/relax/branches/disp_spin_speed/lib/dispersion/ns_cpmg_2site_3d.py?rev=23953&r1=23952&r2=23953&view=diff
==============================================================================
--- branches/disp_spin_speed/lib/dispersion/ns_cpmg_2site_3d.py (original)
+++ branches/disp_spin_speed/lib/dispersion/ns_cpmg_2site_3d.py Sun Jun 15 
08:53:40 2014
@@ -137,9 +137,12 @@
         # This matrix is a propagator that will evolve the magnetization 
with the matrix R for a delay tcp.
         Rexpo = matrix_exponential(R*tcp[i])
 
+        # Temp matrix.
+        t_mat = Rexpo.dot(r180x).dot(Rexpo)
+
         # Loop over the CPMG elements, propagating the magnetisation.
         for j in range(2*power[i]):
-            Mint = Rexpo.dot(r180x).dot(Rexpo).dot(Mint)
+            Mint = t_mat.dot(Mint)
 
         # The next lines calculate the R2eff using a two-point 
approximation, i.e. assuming that the decay is mono-exponential.
         Mx = Mint[1] / pA