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Re: plot of implicit function [message #73570]

Fri, 19 November 2010 02:56

Wout De Nolf
Messages: 194
Registered: October 2008

Senior Member

On Fri, 19 Nov 2010 02:34:04 -0800 (PST), Andrea
<negri.andre@gmail.com> wrote:

>>> f(R,phi,z)=t
>>> g(R,phi,z)=t
>>> h(R,phi,z)=t

Ah, I see. So for each t you need to solve a non-linear system of
equations (3 eq., 3 var.) in order to get the position (R,phi,z) of
the particle (or whatever) at time t.

You could use NEWTON or BROYDEN to find (R,phi,z) for each t. Off
course your "Vecfunc" changes every time (for each t), so you have to
use a global variable t.

Can't think of anything else...

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[Message index]

		Re: plot of implicit function By: Wout De Nolf on Fri, 19 November 2010 02:56
		Re: plot of implicit function By: Andrea[1] on Fri, 19 November 2010 02:34
		Re: plot of implicit function By: Wout De Nolf on Fri, 19 November 2010 02:08
		Re: plot of implicit function By: Andrea[1] on Tue, 23 November 2010 02:13

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