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How to plot this in MATLAB?

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simran
simran on 3 Apr 2024
Commented: Sam Chak on 5 Apr 2024
I wanted to draw this graph. If someone could help me with the MATLAB code for this graph with a brief explanation about it?
  6 Comments
Sam Chak
Sam Chak on 3 Apr 2024
I apologize, but could you please clarify the specific method or approach you are having difficulty with when searching for example codes on the Internet?
Dyuman Joshi
Dyuman Joshi on 4 Apr 2024
"I am not able to do it this way."
@simran, which way?

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Accepted Answer

Jonas
Jonas on 4 Apr 2024
this could work
theta = linspace (-pi/4,pi/4);
x = 0.5*cos(theta).*sqrt(2.*cos(2.*theta));
y = 0.5*sin(theta).*sqrt(2.*cos(2.*theta));
plot(x+0.5,y,-x+0.5,y), grid on,
axis ('equal')
figure;plot([x+0.5 -x+0.5],[y y])
axis equal; grid on;
  2 Comments
simran
simran on 5 Apr 2024
How about the black dots on the right?
Sam Chak
Sam Chak on 5 Apr 2024
@simran, What are the formulas to determine the coordinates for the "black dots"?
Also, when to apply the parameters {, } and {, } in the "Lemniscate" code?

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