[#9722] Kernel#system broken inside Dir.chdir(&block) if system command doesn't have shell characters — <noreply@...>

Bugs item #7278, was opened at 2006-12-14 13:59

8 messages 2006/12/14

[#9749] System V IPC in standard library? — Steven Jenkins <steven.jenkins@...>

Back in August, I needed a semaphore to serialize access to an external

14 messages 2006/12/19

[#9753] CVS freeze — SASADA Koichi <ko1@...>

Hi,

20 messages 2006/12/20
[#9755] Re: [ruby-dev:30039] CVS freeze — SASADA Koichi <ko1@...> 2006/12/20

Hi,

[#9757] Re: [ruby-dev:30040] Re: CVS freeze — SASADA Koichi <ko1@...> 2006/12/20

Hi,

[ ruby-Bugs-7001 ] Determinant Problem in Matrix.rb

From: <noreply@...>
Date: 2006-12-01 11:50:37 UTC
List: ruby-core #9644
Bugs item #7001, was opened at 2006-12-01 03:50
You can respond by visiting: 
http://rubyforge.org/tracker/?func=detail&atid=1698&aid=7001&group_id=426

Category: Standard Library
Group: 1.8.5
Status: Open
Resolution: None
Priority: 3
Submitted By: Nathan Weizenbaum (nex3)
Assigned to: Nobody (None)
Summary: Determinant Problem in Matrix.rb

Initial Comment:
Matrix#determinant gives the wrong answer under some circumstances. I'm not sure what they are, but I do know that the following fails:

Matrix[[2, 1], [-1, 2]].determinant

This gives 6, when the determinant is actually 5.

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