RE: Bug in Limit Package

*To*: mathgroup at smc.vnet.net*Subject*: [mg26401] RE: [mg26385] Bug in Limit Package*From*: "David Park" <djmp at earthlink.net>*Date*: Wed, 20 Dec 2000 00:21:28 -0500 (EST)*Sender*: owner-wri-mathgroup at wolfram.com

Joel, With Version 4.0.1 I obtain: lim = Limit[Erf[a, x], x -> Infinity] 1 - Erf[a] lim /. a -> 1 1 - Erf[1] lim /. a -> -1 1 + Erf[1] which appears to be correct. David Park djmp at earthlink.net http://home.earthlink.net/~djmp/ > From: Joel Storch [mailto:jstorch at earthlink.net] To: mathgroup at smc.vnet.net > If we attempt to compute > > Limit[Erf[a x],x->Infinity] > > Mathematica returns the result unevaluated. If the same command is > issued after loading the package Calculus`Limit`, the value 1 is > returned. Clearly, this is correct only if a >0 (for a < 0, the limit is > > -1). >