Re: -- Wolfram Research QA process defect: Bug in Mathematica 6 - Integrate - 106 (power, invalid value, MULTIPLE regression bug) - BUG THE LONG LIVER: 1996-2008 (!) LIVER: 1996-2008 (!)
- From: hrubin@xxxxxxxxxxxxxxxxxxxx (Herman Rubin)
- Date: 18 Mar 2008 22:19:52 -0400
In article <e7b5d8f9-e641-48f6-9792-f924a4cb7847@xxxxxxxxxxxxxxxxxxxxxxxxxxxx>,
Bhuvanesh <BhuvaneshBhatt@xxxxxxxxx> wrote:
On Mar 15, 2:27 am, Vladimir Bondarenko <v...@xxxxxxxxxxxxxxx> wrote:
N[Integrate[1/((1+z^2)^(1/2) + (1+z^2)^(7/2)), {z, 0, Infinity}]]
-----------------------------------------------------------------
VERSION OUTPUT RESOLUTION
-----------------------------------------------------------------
Mathematica 6.0 0.849714 <---------------------------- BUG #2
Yes, Integrate is missing a branch point at z == 1.
The only branch points I can see are at the
imaginary units.
After making a simple transformation there is such
a branch point, and this occurs often enough that
Integrate should be able to handle it without
difficulty.
Bhuvanesh,
Wolfram Research
--
This address is for information only. I do not claim that these views
are those of the Statistics Department or of Purdue University.
Herman Rubin, Department of Statistics, Purdue University
hrubin@xxxxxxxxxxxxxxx Phone: (765)494-6054 FAX: (765)494-0558
.
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