Follow-up Comment #70, sr #3154 (project relax): Attached is a modification (compareTroells_w_Troels_mod_ed.py) of your modification Troels (compareTroells_w_Troels_mod.py, https://gna.org/support/download.php?file_id=20642). A unified diff between the two files is: $ diff -u compareTroells_w_Troels_mod.py compareTroells_w_Troels_mod_ed.py --- compareTroells_w_Troels_mod.py 2014-05-05 16:06:06.522388615 +0200 +++ compareTroells_w_Troels_mod_ed.py 2014-05-06 09:17:00.328524062 +0200 @@ -148,10 +148,9 @@ if(verb=='n'): return else: - #add on R2g to R2eff arrayNew=[] for i in range(len(array)): - arrayNew.append((array[i][0],array[i][1]+R2g)) + arrayNew.append((array[i][0],array[i][1])) array=arrayNew if(outfile!='Null'): outy=open(outfile,'w') The result before is: Relative times of the various approaches: Baldwin 1.159897 1.0 Numerical 150.864266 130.066950772 Meiboom 0.399363 0.344309020542 Carver 0.609061 0.525099211395 Nikolai 3.302521 2.84725367856 NikolaiLong 382.673914 329.920599846 Maximum error over grid (s-1): Meiboom: 22664942.3388 Baldwin: 10.0000000007 CarverRichards: 18.2238852463 Nikolai dougle (9): 214.761583779 Nikolai long double (23): 10.000000206721384181558 And after: Relative times of the various approaches: Baldwin 1.157454 1.0 Numerical 151.098834 130.544137391 Meiboom 0.391843 0.338538723785 Carver 0.603573 0.521466079861 Nikolai 3.328743 2.87591817904 NikolaiLong 385.616089 333.158889252 Maximum error over grid (s-1): Meiboom: 22664952.3388 Baldwin: 7.41007255556e-10 CarverRichards: 8.22388524626 Nikolai dougle (9): 204.761583779 Nikolai long double (23): 2.0672138595791449231557e-7 (file #20646) _______________________________________________________ Additional Item Attachment: File name: compareTroells_w_Troels_mod_ed.py Size:19 KB _______________________________________________________ Reply to this item at: <http://gna.org/support/?3154> _______________________________________________ Message sent via/by Gna! http://gna.org/