It seems that Maxima has problem here but mpmath has not: sage: from mpmath import * sage: mp.pretty=True sage: quad(lambda x:(x^2)*exp(x)/(1+exp(x))^2,[-inf,+inf]) 3.28986813369645 sage: n(pi^2/3) 3.28986813369645
A Ch -- 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
