How can make arrows into the line step by step?

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Myo Gyi
Myo Gyi 2018-10-20
编辑： Myo Gyi 2018-10-27
if true
% code
end

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jonas
jonas 2018-10-20
编辑：jonas 2018-10-20
What you see on the figure is a quiver3 plot, where the arrows describe velocity. You did not provide any velocity data, but you can make an arrow between every point in your plot as follows:
u = diff(x);
v = diff(y);
w = diff(z);
quiver3(x(1:end-1),y(1:end-1),z(1:end-1),u,v,w)
It is probably best to reduce the amount of data points, because you do not want 1500 arrows in your plot.
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jonas
jonas 2018-10-26
I don't understand. Quiver3 is really simple to use. The syntax is
quiver3(XStart, YStart, ZStart, XLength, YLength, ZLength,ScaleFactor)
then you can add various properties.
My code was just an example. Don't be afraid to actually change the values. If you want to change the range of the xaxis, then the syntax is.
set(gca,'xlim',[0 10])
What is a = 0.02?

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