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How to make 3D plot of 3 equations

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Steven
Steven 2012-2-18
The problem asks me to make a 3D plot with the xyz coordinates being
x=(0.5 + 5t)sin(2pi/3t)cos(4pi*t)
y=(0.5 + 5t)sin(2pi/3t)sin(4pi*t)
z=(0.5 + 5t)cos(2pi/3t)
0<t<0.2 min
How do I make the 3D plot with 3 equations?
I keep getting these errors:
Error using mesh (line 76) Z must be a matrix, not a scalar or vector.
Error in HW4_prob2 (line 50) mesh(x,y,Z)
PLEASE HELP!!!

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回答（1 个）

David
David 2012-2-18
Looks like you're trying to use the mesh function. You have vector data and should be using plot3
plot3(x,y,z)

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