Re: MathKernel Crash while calculating limit

*To*: mathgroup at smc.vnet.net*Subject*: [mg75617] Re: MathKernel Crash while calculating limit*From*: Jean-Marc Gulliet <jeanmarc.gulliet at gmail.com>*Date*: Sun, 6 May 2007 02:00:12 -0400 (EDT)*Organization*: The Open University, Milton Keynes, UK*References*: <f1hla2$om6$1@smc.vnet.net>

Ulrik GÃ¼nther wrote: > 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)] -----------------------------------------------------^^^^^^^^ Spelling error: must be written Infinity (with a capital i) > 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 > No crash on my system. (* With symbol infinity misspelled *) In[1]:= Limit[(((-2^(n - 1))*M)/(n!*L^(n - 1)))^(n/2), n -> infinity] Out[1]= -1 + infinity 1 - infinity 2 L M infinity/2 (-(------------------------------)) Gamma[1 + infinity] (* With correct syntax *) In[2]:= Limit[(((-2^(n - 1))*M)/(n!*L^(n - 1)))^(n/2), n -> Infinity] Out[2]= 0 In[3]:= $Version Out[3]= 5.2 for Microsoft Windows (June 20, 2005) Regards, Jean-Marc