How to plot curves like (x-4)**2+(y-4)**2=16 or x=4?

[Werner Kleyson da Silva Soares]

Hi, everybody
I'm trying to find a way to do it for some hours by now.
How to plot this kind of curves? (not functions).

The picture shows an example of result that would be nice (but it could be different too).

I intend to plot some graphs to nonlinear programming teaching.

[Edoardo Pasca]

You are trying to plot an implicit function. There's a trick in 2D, i.e.
your case.
http://gnuplot-surprising.blogspot.com/2011/09/assume-three-is-equation-fxygxy-and-we.html?m=1

Edo

On Thu, Nov 29, 2018, 19:01 Werner Kleyson da Silva Soares <
powerner@users.sourceforge.net wrote:

Hi, everybody
I'm trying to find a way to do it for some hours by now.
How to plot this kind of curves? (not functions).

The picture show a example of result would be nice (but could be different
too).

I intend to plot some graphs to nonlinear programming teaching.

How to plot curves like (x-4)2+(y-4)2=16 or x=4?
https://sourceforge.net/p/gnuplot/discussion/5925/thread/cb0b45e70c/?limit=25#3c7a

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[Werner Kleyson da Silva Soares]

Thank you!!! I gonna try this!