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Question: Is there any way to add some direction arrows beside a given space curve?

Question:Is there any way to add some direction arrows beside a given space curve?

Wang Gaoteng 173
plot student arrow spacecurve
December 15 2010
0

Hello,

I use the commands below to generate a conical helix:

with(plots);
x := proc (t) options operator, arrow; t*cos(t) end proc;
y := proc (t) options operator, arrow; t*sin(t) end proc;
z := proc (t) options operator, arrow; t end proc;
spacecurve([x(t), y(t), z(t)], t = 0 .. 12*Pi, thickness = 5, color = blue, axes = normal, numpoints = 500);

As the picture illustrate, I want add some direction arrows to illustrate the curve is descendent.Is there any way to do this?

Thank you!
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