How can I selectively hold on and hold off plots in a polar plot

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Vinod
Vinod on 13 Jan 2015
Answered: David Sanchez on 13 Jan 2015
I have a for loop like this:
figure;
for i = 1:100
p1 = polar(thetaOne(i),rOne(i),'r+')
% *hold on* the above plot
p2 = polar(thetaTwo(i),rTwo(i),'g+')
% *hold off* the above plot
end
I have to retain the p1 and remove p2 from every iteration.
Suppose at i == 50, all the values thetaOne(1:50),rOne(1:50) must be there in the figure, and only thetaTwo(50),rTwo(50) must be present in the figure.

Accepted Answer

David Sanchez
David Sanchez on 13 Jan 2015
Then, you have to do this:
figure;
for i = 1:100
for k=1:i
p1 = polar(thetaOne(k),rOne(k),'r+')
hold on
end
p2 = polar(thetaTwo(i),rTwo(i),'g+')
hold off
end

More Answers (1)

Stephen
Stephen on 13 Jan 2015
Edited: Stephen on 13 Jan 2015
If you read the documentation for hold you will find that the following syntaxes are permitted:
hold one
hold off
hold all
hold
hold(ax,'on')
hold(ax,'off')
hold(ax)
So you can supply the axes handle (using the function form), and it will control only that axis.

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