how to plot cylindrical coordinates

How do you convert a point to cylindrical coordinates?
To convert a point from cylindrical coordinates to Cartesian coordinates, use equations x=rcosθ,y=rsinθ, and z=z.
To convert a point from Cartesian coordinates to cylindrical coordinates, use equations r2=x2+y2,tanθ=yx, and z=z._{20 déc. 2020}
How to do cylindrical coordinates?
To find the cylindrical coordinates for the point, we need only find r : r : r = ρ sin φ = 2 2 sin ( π 6 ) = 2 . r = ρ sin φ = 2 2 sin ( π 6 ) = 2 .
The cylindrical coordinates for the point are ( 2 , 3 π 4 , 6 ) .
Plotting using cylindrical or spherical coordinates involves several steps:
Plotting using cylindrical or spherical coordinates involves several steps:
1Create vectors for theta and z : theta = linspace(0,2*pi); z = linspace(0,10);2Create a meshgrid from theta and z : 3Write your function R(TH,Z): 4Convert cylindrical coordinates to cartesian: 5Plot the result using surf , mesh or whatever:

To form the cylindrical coordinates of a point P, simply project it down to a point Q in the xy-plane (see the below figure). Then, take the polar coordinates (r,θ) of the point Q, i.e., r is the distance from the origin to Q and θ is the angle between the positive x-axis and the line segment from the origin to Q.

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