Hi all: Am i doing something wrong, or does the example below demonstrate a bug in Sage's n() function?
Alex ---------------------------------------------------------------------- | Sage Version 4.3, Release Date: 2009-12-24 | | Type notebook() for the GUI, and license() for information. | ---------------------------------------------------------------------- WARNING: There is one major unsolved bug in some versions of Sage on OS X 10.6 that causes an 'Abort trap' crash when doing certain symbolic computations. See http://trac.sagemath.org/sage_trac/ticket/7095/. sage: a= gamma(1/3) sage: a.n() 2.67893853470775 sage: f= a*x sage: c=f.coefficients(); c [[gamma(1/3), 1]] sage: c[0][0].n() --------------------------------------------------------------------------- TypeError Traceback (most recent call last) /Users/raichev/<ipython console> in <module>() /Applications/sage/local/lib/python2.6/site-packages/sage/symbolic/ expression.so in sage.symbolic.expression.Expression.n (sage/symbolic/ expression.cpp:15928)() TypeError: cannot evaluate symbolic expresssion numerically sage: -- To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to sage-support+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-support URL: http://www.sagemath.org
