[Biopython-dev] [Bug 1876] Bio.pairwise2 generates incorrect Needleman-Wunsch score_matrix

bugzilla-daemon at portal.open-bio.org bugzilla-daemon at portal.open-bio.org
Fri Oct 7 13:34:55 EDT 2005


------- Comment #4 from bill at barnard-engineering.com  2005-10-07 13:34 -------
Created an attachment (id=242)
 --> (http://bugzilla.open-bio.org/attachment.cgi?id=242&action=view)
Spreadsheet generated comparison of Durbin vs Biopython score_matrix

This pdf shows graphically where the differences lie between the two methods.
It demonstrates that the erroneous entries all lie in those cells whose
traceback pointers point to either F(i-1,j) or F(i,j-1). All entries whose
traceback pointers include a pointer to F(i-1,j-1) are correct.

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