An ellipsoid with particular axes.

Question

Peter Laslo 2013-10-22

0
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https://ww2.mathworks.cn/matlabcentral/answers/91124-an-ellipsoid-with-particular-axes

回答： Image Analyst 2013-10-23

Hello,

I can generate an ellipsoid using the coordinate axes as the major and minor axes using the ellipsoid function - http://www.mathworks.com/help/matlab/ref/ellipsoid.html

Given three vectors - (v1,v2,v3), (w1,w2,w3) and (z1,z2,z2)

I want to rotate it so that it has 1) A major axis along the line through (v1,v2,v3) and it goes through (v1,v2,v3) 2) A minor axis along the line through (w1,w2,w3) and it goes through (w1,w2,w3) 3) A minor axis along the line through (z1,z2,z3) and it goes through (z1,z2,z3)

I am trying to use the rotate function http://www.mathworks.com/help/matlab/ref/rotate.html but so far I haven't had success.

Can anyone help me out? Thanks!