r26629 - /trunk/user_functions/align_tensor.py -- November 19, 2014 - 17:50

Author: bugman
Date: Wed Nov 19 17:50:42 2014
New Revision: 26629

URL: http://svn.gna.org/viewcvs/relax?rev=26629&view=rev
Log:
Editing of the align_tensor.svd user function description.


Modified:
    trunk/user_functions/align_tensor.py

Modified: trunk/user_functions/align_tensor.py
URL: 
http://svn.gna.org/viewcvs/relax/trunk/user_functions/align_tensor.py?rev=26629&r1=26628&r2=26629&view=diff
==============================================================================
--- trunk/user_functions/align_tensor.py        (original)
+++ trunk/user_functions/align_tensor.py        Wed Nov 19 17:50:42 2014
@@ -462,11 +462,11 @@
 )
 # Description.
 uf.desc.append(Desc_container())
-uf.desc[-1].add_paragraph("This will perform a singular value decomposition 
of all tensors loaded for the current data pipe.  The values are highly 
dependent on the chosen basis set.  This can be one of:")
-uf.desc[-1].add_item_list_element("'irreducible 5D'", "The irreducible 5D 
basis set {A-2, A-1, A0, A1, A2}.  This is a linear map, hence angles, 
singular values, and condition numbers are preserved.")
-uf.desc[-1].add_item_list_element("'unitary 9D'", "The unitary 9D basis set 
{Sxx, Sxy, Sxz, Syx, Syy, Syz, Szx, Szy, Szz}.  This is a linear map, hence 
angles, singular values, and condition numbers are preserved.")
-uf.desc[-1].add_item_list_element("'unitary 5D'", "The unitary 5D basis set 
{Sxx, Syy, Sxy, Sxz, Syz}.  This is a non-linear map, hence angles, singular 
values, and condition numbers are not preserved.")
-uf.desc[-1].add_item_list_element("'geometric 5D'", "The geometric 5D basis 
set {Szz, Sxxyy, Sxy, Sxz, Syz}.  This is a non-linear map, hence angles, 
singular values, and condition numbers are not preserved.  This is also the 
Pales standard notation.")
+uf.desc[-1].add_paragraph("This will perform a singular value decomposition 
for all alignment tensors and calculate the condition number.  The singular 
values and condition number are dependent on the basis set - linear maps 
produce identical results whereas non-linear maps result in different values. 
 The basis set can be one of:")
+uf.desc[-1].add_item_list_element("'irreducible 5D'", "The irreducible 5D 
basis set {A-2, A-1, A0, A1, A2}.  This is a linear map, hence angles, 
singular values, and condition number are preserved.")
+uf.desc[-1].add_item_list_element("'unitary 9D'", "The unitary 9D basis set 
{Sxx, Sxy, Sxz, Syx, Syy, Syz, Szx, Szy, Szz}.  This is a linear map, hence 
angles, singular values, and condition number are preserved.")
+uf.desc[-1].add_item_list_element("'unitary 5D'", "The unitary 5D basis set 
{Sxx, Syy, Sxy, Sxz, Syz}.  This is a non-linear map, hence angles, singular 
values, and condition number are not preserved.")
+uf.desc[-1].add_item_list_element("'geometric 5D'", "The geometric 5D basis 
set {Szz, Sxxyy, Sxy, Sxz, Syz}.  This is a non-linear map, hence angles, 
singular values, and condition number are not preserved.  This is also the 
Pales standard notation.")
 uf.desc[-1].add_paragraph("If the selected basis set is the default of 
'irreducible 5D', the matrix on which SVD will be performed will be:")
 uf.desc[-1].add_verbatim("""\
     | A-2(1) A-1(1) A0(1)  A1(1)  A2(1) |