Path: news.mathworks.com!not-for-mail
From: "Bruno Luong" <b.luong@fogale.findmycountry>
Newsgroups: comp.soft-sys.matlab
Subject: Re: homogeneous line intersection
Date: Mon, 29 Nov 2010 12:52:03 +0000 (UTC)
Organization: FOGALE nanotech
Lines: 13
Message-ID: <id07lj$q0i$1@fred.mathworks.com>
References: <icvvmj$mca$1@fred.mathworks.com>
Reply-To: "Bruno Luong" <b.luong@fogale.findmycountry>
NNTP-Posting-Host: webapp-05-blr.mathworks.com
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: 8bit
X-Trace: fred.mathworks.com 1291035123 26642 172.30.248.35 (29 Nov 2010 12:52:03 GMT)
X-Complaints-To: news@mathworks.com
NNTP-Posting-Date: Mon, 29 Nov 2010 12:52:03 +0000 (UTC)
X-Newsreader: MATLAB Central Newsreader 390839
Xref: news.mathworks.com comp.soft-sys.matlab:690835

"jcarneiro carneiro" <jcarneiro@netcabo.pt> wrote in message <icvvmj$mca$1@fred.mathworks.com>...
> Hi all,
> 
> Havingm
> 
> A= A1x1+ A2x2+ A3x3 = 0
> B= B1x1+ B2x2+ B3x3 = 0
> 

The line is parametrized by: x1=t*c(1), x2=t*c(2), x3=t*c(3), with
c = null([A1 A2 A3; B1 B2 B3];

Bruno