How to close the extra legend added by comet fun?

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ziyong han
ziyong han 2019-3-8
评论： KSSV 2019-3-8
I use the comet fun to trace my simdata, however the comet fun added the extra legend data to my fig, see the attached fig that "data1, data2, data3" were added when animating.
How should I close the extra "data1, data2, data3" at the beginning of the animation? BTW, I know how to close it when the animation is finished.
Snipaste_2019-03-08_12-02-39.png

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KSSV
KSSV 2019-3-8
编辑：KSSV 2019-3-8
x = 1:100 ;
y = rand(size(x)) ;
figure
h = plot(x,y) ;
hold on
comet(rand(size(x))) ;
legend(h,'one')
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ziyong han
ziyong han 2019-3-8
thanks, it do solve the problem.
But compare to comet, it is slower in my simulation data more than 10000.
Is there a good way to achieve this by comet?
KSSV
KSSV 2019-3-8
as of now to make the plot fast..you can run the loop by skipping some values...you need not to run for every point.

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