MeshEllipsoid:

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   Draw an elliptical covariance display in real-time.

   Type MeshEllipsoid for a demo
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   Form:
   [v, f] = MeshEllipsoid( a, b, c, n )
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   Inputs
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   a           (1,1) x width
   b           (1,1) y width
   c           (1,1) z width
   n           (1,1) Number o grid lines

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   Outputs
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   v           (:,3) Vertices
   f           (:,3) Faces

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