|
From: Barton W. <wil...@us...> - 2026-06-06 19:09:52
|
--- **[bugs:#4759] limits of gamma toward a negative integer** **Status:** open **Group:** None **Labels:** limit gamma **Created:** Sat Jun 06, 2026 07:09 PM UTC by Barton Willis **Last Updated:** Sat Jun 06, 2026 07:09 PM UTC **Owner:** nobody Wrong--when `n` is a negative integer, this limit is undefined: ~~~ (%i1) declare(n,integer); (%o1) done (%i2) limit(gamma(x),x,n); (%o2) (n-1)! ~~~ Let's assume `n` is negative: ~~~ (%i3) assume(n < 0); (%o3) [n<0] (%i4) limit(gamma(x),x,n,plus); (%o4) inf ~~~ No, Maxima needs to ask if `n` is even or odd--consider: ~~~ (%i5) limit(gamma(x),x,-5,plus); (%o5) minf (%i6) limit(gamma(x),x,-5, minus); (%o6) inf ~~~ --- Sent from sourceforge.net because max...@li... is subscribed to https://sourceforge.net/p/maxima/bugs/ To unsubscribe from further messages, a project admin can change settings at https://sourceforge.net/p/maxima/admin/bugs/options. Or, if this is a mailing list, you can unsubscribe from the mailing list. |