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[Octave-bug-tracker] [bug #35297] besseli returns incorrect results for
From: |
Robert T. Short |
Subject: |
[Octave-bug-tracker] [bug #35297] besseli returns incorrect results for negative integer orders |
Date: |
Thu, 12 Jan 2012 17:11:38 +0000 |
User-agent: |
Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.4) Gecko/20091017 SeaMonkey/2.0 |
URL:
<http://savannah.gnu.org/bugs/?35297>
Summary: besseli returns incorrect results for negative
integer orders
Project: GNU Octave
Submitted by: rtshort
Submitted on: Thu 12 Jan 2012 05:11:38 PM GMT
Category: Libraries
Severity: 3 - Normal
Priority: 5 - Normal
Item Group: Inaccurate Result
Status: None
Assigned to: None
Originator Name: Robert T. Short
Originator Email:
Open/Closed: Open
Discussion Lock: Any
Release: 3.4.2
Operating System: GNU/Linux
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Details:
In theory, besseli(n,x) = bessel(-n,x) when n is an integer.
In octave we get (for example)
octave:1> besseli(20,1),besseli(-20,1)
ans = 3.9668e-25
ans = -9.8143e+07
_______________________________________________________
Reply to this item at:
<http://savannah.gnu.org/bugs/?35297>
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- [Octave-bug-tracker] [bug #35297] besseli returns incorrect results for negative integer orders,
Robert T. Short <=