> > As for you for now, you'd need to change the eigenvectors() command in > > the matrix code. If you wanted to do so and submit a patch, it would be > > greatly appreciated! >
But all doctests pass for me in alpha1: ./sage -t "devel/sage/sage/matrix/" All tests passed! Total time for all tests: 177.1 seconds > > maxima-5.19.1 can be found in Sage sage-4.1.2.alpha1, but being an > alpha, it is likely to be less stable than a 'stable' release of Sage. > Note Sage 4.1.2 will be the first Sage to have a recent update of > Maxima. The previous version, 4.1.1, does not. That's #6699 where the change went in. Note that the patch there fixes similar eigenvector problems in doc/en/constructions/ linear_algebra.rst and doc/en/tutorial/interfaces.rst, and, for that matter, sage/interfaces/maxima.py But actually, the problem is already in 4.1.1, with the previous Maxima: ---------------------------------------------------------------------- | Sage Version 4.1.1, Release Date: 2009-08-14 | | Type notebook() for the GUI, and license() for information. | ---------------------------------------------------------------------- sage: A = matrix(SR, [[1,2,3],[4,5,6],[7,8,9]]) sage: A.eigenvectors_right() UserWarning: Using generic algorithm for an inexact ring, which may result in garbage from numerical precision issues. # -*- coding: utf-8 -*- UserWarning: Using generic algorithm for an inexact ring, which will probably give incorrect results due to numerical precision issues. # -*- coding: utf-8 -*- TypeError: degree() takes exactly one argument (0 given) sage: maxima_console() Maxima 5.16.3 http://maxima.sourceforge.net For some reason SR eigenvectors were never actually tested, I think - because they inherit directly from matrix2.pyx! In fact, the error comes from eigenspaces_left in that file, where G = self.fcp() calls degree of a symbolic expression, which now requires an argument ! The symbolic upgrade strikes again... I'll try to have a patch for this soon. - kcrisman --~--~---------~--~----~------------~-------~--~----~ To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email to sage-devel-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-devel URL: http://www.sagemath.org -~----------~----~----~----~------~----~------~--~---
