How to get in a plot a circle and not an ellipse

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Boughrara kamel
Boughrara kamel on 28 Apr 2015
Answered: Image Analyst on 28 Apr 2015
Hi all, How to get in the figure a circle and not an ellipse. Thank you
t=0:2*pi/50:2*pi;
y=1*sin(4*t);
figure(1);hold on; polar(t,5+y,'-r');ezpolar('5');hold off;

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Accepted Answer

Star Strider
Star Strider on 28 Apr 2015
Specify axis square:
t=0:2*pi/50:2*pi;
y=1*sin(4*t);
figure(1);hold on; polar(t,5+y,'-r');ezpolar('5');hold off;axis square

More Answers (1)

Image Analyst
Image Analyst on 28 Apr 2015
Code for plotting both a circle and an ellipse are in the FAQ: http://matlab.wikia.com/wiki/FAQ#How_do_I_create_a_circle.3F.

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