how can i patch a circle in the origin of the axis?

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wich cordinates can i use
  3 Commenti
Iddo Weiner
Iddo Weiner il 8 Dic 2016
Glad to help..
If you could accept an answer it would be of help for the next people who read this question.. My answer is given below, and KSSV's answer is essentially the same so - whichever one, it doesn't really matter...
Good luck

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Risposte (2)

KSSV
KSSV il 8 Dic 2016
clc; clear all ;
R = 1 ;
th = linspace(0,2*pi) ;
x = R*cos(th) ;
y = R*sin(th) ;
patch(x,y,'r') ;
axis equal

Iddo Weiner
Iddo Weiner il 8 Dic 2016
See my initial answer, I posted it as a comment by mistake:
rad = 10; %this is the radius (change it if you like)
angle = 0:0.001:2*pi; % a full circle range
x_cord = rad*cos(angle);
y_cord = rad*sin(angle);
plot(x_cord, y_cord);
hold on
plot(xlim,[0 0])
plot([0 0],ylim)
hold off

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