represents a p-dimensional ellipsoid centered at the point with semi-axis radii aligned with the coordinate axes.

represents a p-dimensional ellipsoid with semi-axis radii aligned with the direction .


  • To use , you first need to load the Multivariate Statistics Package. You can do this by using Needs["MultivariateStatistics`"].
  • is used to represent ellipsoidal regions such as EllipsoidQuantile and EllipsoidQuartiles.
  • Two-dimensional objects can be plotted using Graphics.
  • If the direction matrix is a permutation of the identity matrix, the direction matrix is automatically dropped, reordering the radii if necessary.
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