> sage: m = matrix(ZZ,2,[1,2,3,4]) > sage: d = m.det(); d > -2 > sage: d.__init__(389) > sage: m
> [1 2] > [3 4] > sage: m.det() > 389 This problem would not occur if m.det() were to return a copy of the cached determinant of m. Michel --~--~---------~--~----~------------~-------~--~----~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-devel URLs: http://www.sagemath.org -~----------~----~----~----~------~----~------~--~---