![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/678798/image.jpeg)
radial value in polar plot doesn't connect as intended
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I want to make a polar plot that connects the radial value of each angle kind of like the attached image.
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/678748/image.png)
However when I try to plot it in matlab, the radial value doesn't seem to be connected as desired and the is a value in between the angle which i do not intend. is there anything wrong with my code? thanks
deg=0:30:330;
max=[2 2.14 2 1.86 2.14 2.71 2.54 2.29 2.29 2.43 2 1.86];
min= [2.14 2.57 2.29 2.29 2.43 3 2.86 2.71 2.71 2.71 2.14 2];
polarplot(deg,max)
ax=gca
ax.ThetaZeroLocation='top'
ax.ThetaDir='clockwise'
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/678753/image.png)
3 Comments
Simon Chan
on 9 Jul 2021
Just add the first point to the end:
deg=0:30*pi/180:360*pi/180;
max=[max, max(1)];
polarplot(deg,max);
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/678848/image.jpeg)
Accepted Answer
Chunru
on 9 Jul 2021
deg=0:30:330;
max=[2 2.14 2 1.86 2.14 2.71 2.54 2.29 2.29 2.43 2 1.86];
min= [2.14 2.57 2.29 2.29 2.43 3 2.86 2.71 2.71 2.71 2.14 2];
polarplot(deg2rad(deg([1:end 1])),max([1:end 1])); % cycle back to 1st point
ax=gca;
ax.ThetaZeroLocation='top';
ax.ThetaDir='clockwise';
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