Mathematica 9 is now available
Services & Resources / Wolfram Forums
-----
 /
MathGroup Archive
2004
*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 2004

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

Search the Archive

Re: Mathematica 5: Integration bug in quadratic found by the GEMM machine

  • To: mathgroup at smc.vnet.net
  • Subject: [mg46934] Re: Mathematica 5: Integration bug in quadratic found by the GEMM machine
  • From: ankowar at yahoo.com (Andy Kowar)
  • Date: Tue, 16 Mar 2004 19:54:58 -0500 (EST)
  • References: <c33da8$fsi$1@smc.vnet.net> <c36b6v$s1m$1@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

lalu_bhatt at yahoo.com (Bhuvanesh) wrote in message news:<c36b6v$s1m$1 at smc.vnet.net>...
> Vladimir Bondarenko <vvb at mail.strace.net> wrote:
> > $Version
> > 
> > 5.0 for Microsoft Windows (June 11, 2003)
> > 
> > Integrate[1/(-2 z^2 + 3 z - 1), {z, -1, 0}]
> > 
> > Log[3/2]     // invalid answer
> > 
> > 0.405465
> > 
> > NIntegrate[1/(-2*z^2 + 3*z - 1), {z, -1, 0}]
> > 
> > -0.405465
> 
> This is fixed in version 5.0.1.

Does Wolfram offer a patch or free upgraid to 5.0.1?

AK

> 
> In[1]:= {$Version, $ReleaseNumber}
> 
> Out[1]= {5.0 for Linux (November 18, 2003), 1}
> 
> In[2]:= Integrate[1/(-2 z^2 + 3 z - 1), {z, -1, 0}]
> 
>              3
> Out[2]= -Log[-]
>              2
> 
> In[3]:= N[%]
> 
> Out[3]= -0.405465


  • Prev by Date: Physical Constants package
  • Next by Date: List of Variables and manipulating them ...
  • Previous by thread: Re: Mathematica 5: Integration bug in quadratic found by the GEMM machine
  • Next by thread: Re: Mathematica 5: Integration bug in quadratic found by the GEMM machine