how to make a polar plot line continuous between end and beginning

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Jonas
Jonas 2011-3-31
移动：Voss 2023-8-5
I am plotting polar plots and i would like to have the line linked between the last and first point of the plot.
I tried to find out if there was a way to achieve that, but was not able, is there any way?

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Diego Candia
Diego Candia 2020-11-7
移动：Voss 2023-8-5
like this:
polarplot([angle angle(1)], [radius radius(1)])

更多回答（1 个）

Paulo Silva
Paulo Silva 2011-3-31
example
hold on
t = 0:.01:pi;
h1=polar(t,2*t,'--r')
t1=t(1);
[THETA,RHO] = pol2cart(t1,2*t1) %last
t2=t(end);
[THETA1,RHO1] = pol2cart(t2,2*t2) %first
h2=plot(THETA,RHO,'*')
h3=plot(THETA1,RHO1,'r*')
h4=line([THETA THETA1],[RHO RHO1])
legend([h1 h2 h3 h4],'polar line','first value','last value','line from first value to last value')

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