r6891 - /branches/rdc_analysis/maths_fns/rdc.py -- July 09, 2008 - 16:25

Author: bugman
Date: Wed Jul  9 16:25:57 2008
New Revision: 6891

URL: http://svn.gna.org/viewcvs/relax?rev=6891&view=rev
Log:
Created the to_tensor() function to convert from 5D vector to 3D matrix.


Modified:
    branches/rdc_analysis/maths_fns/rdc.py

Modified: branches/rdc_analysis/maths_fns/rdc.py
URL: 
http://svn.gna.org/viewcvs/relax/branches/rdc_analysis/maths_fns/rdc.py?rev=6891&r1=6890&r2=6891&view=diff
==============================================================================
--- branches/rdc_analysis/maths_fns/rdc.py (original)
+++ branches/rdc_analysis/maths_fns/rdc.py Wed Jul  9 16:25:57 2008
@@ -117,3 +117,32 @@
 
     # Return the average RDC.
     return val / K
+
+
+def to_tensor(tensor, Axx, Ayy, Axy, Axz, Ayz):
+    """Create the rank-2 3D alignment tensor matrix from the 5D vector 
elements.
+
+    @param tensor:  The alignment tensor object, in matrix format, to 
populate.
+    @type tensor:   numpy rank-2 3D tensor
+    @param Axx:     The xx component of the alignment tensor.
+    @type Axx:      float
+    @param Ayy:     The yy component of the alignment tensor.
+    @type Ayy:      float
+    @param Axy:     The xy component of the alignment tensor.
+    @type Axy:      float
+    @param Axz:     The xz component of the alignment tensor.
+    @type Axz:      float
+    @param Ayz:     The yz component of the alignment tensor.
+    @type Ayz:      float
+    """
+
+    # Repackage the matrix.
+    A[0, 0] = Axx
+    A[0, 1] = Axy
+    A[0, 2] = Axz
+    A[1, 0] = Ayx
+    A[1, 1] = Ayy
+    A[1, 2] = Ayz
+    A[2, 0] = Azx
+    A[2, 1] = Azy
+    A[2, 2] = Azz