highlight plot with circle

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I have a ber plot and I want to highlight this plot with a circle or any eliptical shape indicating (M×N).
mudasir ahmad sheikh
mudasir ahmad sheikh on 22 Aug 2021
No! Please see the attached figure

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Accepted Answer

Awais Saeed
Awais Saeed on 22 Aug 2021
I do not know if its possible programmatically but you can acheive this using the Insert option of figure window

More Answers (1)

Image Analyst
Image Analyst on 22 Aug 2021
You can draw an ellipse if you know the center and radii:
xCenter = 12.5;
yCenter = 10;
xRadius = 2.5;
yRadius = 8;
theta = 0 : 0.01 : 2*pi;
x = xRadius * cos(theta) + xCenter;
y = yRadius * sin(theta) + yCenter;
plot(x, y, 'LineWidth', 3);
axis square;
xlim([0 20]);
ylim([0 20]);
grid on;
If you have an existing plot, call hold on before plotting the ellipse so it doesn't blow away your prior plotted data.

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