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How to create a ezcontour in cylindrical domain?

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Moein
Moein 2015-11-4
评论： Mike Garrity 2015-11-4
hi friends
i have a temperature profile that is a function of radious, r, like this:
syms r
T= -r ^ 2 + 1;
i want to create cylindrical contours in this domain: 0<r<1 ( with symbolic functions) i can do this work by Maple but i want draw it with matlab. the shape that i want to obtain is available in attached file. explain what command i should use or how can i change the coordinate type to cylindrical to recognize the T(r) as a 2D function.
thanks a lot

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回答（1 个）

Mike Garrity
Mike Garrity 2015-11-4
Can't you just add the definition of R in terms of X & Y?
syms x y
r = sqrt(x^2+y^2);
t = -r^2 + 1;
ezcontour(t)
axis equal
  2 个评论
Moein
Moein 2015-11-4
编辑：Moein 2015-11-4
it works but you see that the domain is not 0<r<1. i found the axact answer of my question here:
https://www.youtube.com/watch?v=wSYvIJ0cPgM
but thank you for your answer Mike.

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