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