Path: news.mathworks.com!not-for-mail From: <HIDDEN> Newsgroups: comp.soft-sys.matlab Subject: level curves Date: Thu, 8 Jan 2009 12:30:05 +0000 (UTC) Organization: comsats Lines: 11 Message-ID: <gk4rkc$94k$1@fred.mathworks.com> Reply-To: <HIDDEN> NNTP-Posting-Host: webapp-05-blr.mathworks.com Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 8bit X-Trace: fred.mathworks.com 1231417805 9364 172.30.248.35 (8 Jan 2009 12:30:05 GMT) X-Complaints-To: news@mathworks.com NNTP-Posting-Date: Thu, 8 Jan 2009 12:30:05 +0000 (UTC) X-Newsreader: MATLAB Central Newsreader 1574199 Xref: news.mathworks.com comp.soft-sys.matlab:510393 Hi dears How to plot a level curve and the exact point of intersection between two different level curves. I ploted the level curves and their point of intersection but that is not exact. f(x,y)=m (first level curve with m as a parameter) g(x,y)=n (second level curve with n as a parameter) in both cases x and y varies from 0 to 1. one way is We will fix one level curve (say for m=0.5), and check the level curve intersection for n zero to 1. similarly we change m and again check the point of intersection b/W these level curves. I am interested in the tangential situation,I need those values of (x,y)where both curves are tangent to eachother.