Services & Resources / Wolfram Forums
-----
 /
MathGroup Archive
2006
*January
*February
*March
*April
*May
*June
*July
*August
*September
*October
*November
*December
*Archive Index
*Ask about this page
*Print this page
*Give us feedback
*Sign up for the Wolfram Insider

MathGroup Archive 2006

[Date Index] [Thread Index] [Author Index]

Search the Archive

Re: Possible bug concerning a limit computation

  • To: mathgroup at smc.vnet.net
  • Subject: [mg71151] Re: [mg71107] Possible bug concerning a limit computation
  • From: Gerry Flanagan <flanagan at materials-sciences.com>
  • Date: Thu, 9 Nov 2006 03:38:47 -0500 (EST)
  • References: <200611081116.GAA22490@smc.vnet.net>

Version 5.2 gets positive 9.2.

Gerry F.

geo_topos wrote:

>Hello everyone,
>I don't know if this is the right place to post this, but here it goes.
>I am a high-school math teacher from greece. I was working with my
>students on the limit:
>
>Limit[ (Sqrt[7x^4+6x+5] - Sqrt[7x^4+3x+3]) * Sqrt[63x^2-5x+20, x->
>Infinity]
>
>The result we got for that is 9/2. Mathematica 4.0 will produce the
>opposite result: -9/2.
>If anyone is interested on the way we calculated this limit, please
>e-mail me and I will be more than happy to send you a copy of our
>computation, since it would take me ages to type this in ASCII and
>furthermore it would be, at least, annoying to the viewer.
>
>Excuse my rusty english, best regards
>Kostas Raptis
>
>
>  
>


  • Prev by Date: Re: Merge of Matrices
  • Next by Date: Re: Question about trig simplify
  • Previous by thread: Possible bug concerning a limit computation
  • Next by thread: Possible bug concerning a limit computation