Re: MathKernel Crash while calculating limit

*To*: mathgroup at smc.vnet.net*Subject*: [mg75618] Re: MathKernel Crash while calculating limit*From*: Peter Pein <petsie at dordos.net>*Date*: Mon, 7 May 2007 05:25:30 -0400 (EDT)*References*: <f1hla2$om6$1@smc.vnet.net>

Ulrik Günther schrieb: > Hi everybody, > > during a calculation of a limit, MathKernel crashed. I tried the > following: > > Limit[((-2^(n - 1)*M)/(n!*L^(n - 1)))^(n/2), n -> (infinity)] > > After some seconds, Mathematica produced a beep, then I got a crash > report concerning MathKernel. I attached a full crash log to this > mail. Oh, and I'm using Mathematica (for Students) 5.2 on a PowerBook > G4 running MacOS 10.4.9. > Also tried calculating that limit without the constants L and M, this > time it worked. > > Maybe somebody can explain that behaviour to me... > > Thanks in advance, > > ulrik > Hi Ulrik, has the variable infinity got any special value? Using Infinity instead leads to no Problem in version 5.1: In[1]:= $Version Out[1]= "5.1 for Microsoft Windows (October 25, 2004)" In[2]:= Limit[(-(2^(n - 1)*M)/(n!*L^(n - 1)))^(n/2), n -> Infinity, Assumptions -> M > 0 && L > 0] Out[2]= 0 Peter