[#9644] Determinant Problem in Matrix.rb — <noreply@...>
Bugs item #7001, was opened at 2006-12-01 03:50
This is 100% intended. You have to learn integer arithmetics when you
[#9654] Float numbers comparison — "Paulo Soeiro" <pcsoeiro@...>
Hi,
On 12/1/06, Paulo Soeiro <pcsoeiro@gmail.com> wrote:
[#9661] Dir.exist? — Kornelius Kalnbach <murphy@...>
hi!
[#9664] Bigdecimal isn't comparable — <noreply@...>
Bugs item #7045, was opened at 2006-12-04 19:20
On 12/4/06, noreply@rubyforge.org <noreply@rubyforge.org> wrote:
[#9685] Segmentation fault - bignorm() — ico@... (Ico Doornekamp)
[#9713] Sets and String subclasses — <noreply@...>
Bugs item #7253, was opened at 2006-12-13 12:26
> I would expect the second puts to return 5, not nil. In fact, I'd expect s.to_a[0] to return the same object as a.
[#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
Hi,
I bet your script /usr/local/bin/p4 is a shell script which doesn't have a
On Dec 14, 2006, at 18:57, Michael Selig wrote:
[#9725] Fixes going into 1.8.5.9 — "Zev Blut" <rubyzbibd@...>
Hello,
[#9749] System V IPC in standard library? — Steven Jenkins <steven.jenkins@...>
Back in August, I needed a semaphore to serialize access to an external
Hi,
Nobuyoshi Nakada wrote:
Hi,
[#9753] CVS freeze — SASADA Koichi <ko1@...>
Hi,
Hi,
Hi,
Hi,
Hi,
* Shugo Maeda (shugo@ruby-lang.org) wrote:
[#9794] Fwd: [Vit-core] Ruby 1.8.5-p2 Stable Version download bug-fix confusion. — James Edward Gray II <james@...>
The following is a complaint we received about the Ruby home page today.
[#9797] Where to start — "Strong Cypher" <cypherstrong@...>
-----BEGIN PGP SIGNED MESSAGE-----
[#9803] RDoc patch that fixes rb_const_define output — <noreply@...>
Patches item #7499, was opened at 2006-12-30 05:23
On 12/30/06, Eric Hodel <drbrain@segment7.net> wrote:
On Dec 30, 2006, at 19:16, Daniel Berger wrote:
On Dec 31, 2006, at 24:31, Eric Hodel wrote:
[#9816] merge YARV — SASADA Koichi <ko1@...>
Hi,
Re: [ ruby-Bugs-7001 ] Determinant Problem in Matrix.rb
Nex3 wrote: > Steven Jenkins wrote: >> Just out of curiosity, are you trying to actually calculate something >> useful with determinants? The determinant is a powerful theoretical >> concept, but virtually useless computationally. That is, whatever you >> can do using a determinant can likely be done faster and more accurately >> using some other technique. >> >> For example, solving a linear system using Cramer's rule is an order of >> magnitude more work than Gaussian elimination. >> >> Steve > Actually, it first came up when I was checking my Linear Algebra > homework in IRB :p. Ah. You're probably OK, then; homework problems are usually well-conditioned. No bridges or airplanes. :-) Steve