Needed explaination for plotting Ellipsoid with matplotlib

Asked Sep 04 '14 at 06:41

Active Sep 04 '14 at 06:41

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This question is in direct reference to Plotting Ellipsoid with Matplotlib.

I need to model an ellipsoid in 4 or higher dimension.

I need to understand the answer in the above question so I can extend it to solve my prob. How are these lines of code working :

# Cartesian coordinates that correspond to the spherical angles:
# (this is the equation of an ellipsoid):
x = rx * np.outer(np.cos(u), np.sin(v))
y = ry * np.outer(np.sin(u), np.sin(v))
z = rz * np.outer(np.ones_like(u), np.cos(v))

I need the answer : How was the cos(u) and sin(v) etc chosen?

Thanks in advance.

edited May 23 '17 at 10:33

Community

asked Sep 04 '14 at 06:41

MonsieurBeilto

1

I believe it is more a mathematical problem than a Python one. – Simpom Sep 04 '14 at 07:21
@Simpom I think users who have used this (many must have, since this is part of the learning module for 3d plotting on the matplotlib site) can answer my question so I can extend to higher Dimensions – MonsieurBeilto Sep 04 '14 at 07:48
1

This question appears to be off-topic because it belongs to http://math.stackexchange.com/ – Saullo G. P. Castro Sep 04 '14 at 20:00
How do I shift it there? Should I ask it again there or is there a way to link it? – MonsieurBeilto Sep 06 '14 at 18:23

Needed explaination for plotting Ellipsoid with matplotlib

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