which density function has ellipsoidal symmetry what is the density function with ellipsoidal symmetry which probability function has an ellipsoidal symmetry why do hidden states have ellipsoid symmetry? what is the difference between a density function and ellipsoid symmetry which symmetry is based on a density function? which of the following is an example of an ellipsoidal function why is density function ellipsoidal why do we use an ellipsoidal density function how are density functions assumed to have an ellipsoid symmetry which probability density function must be ellipsoid in an experiment with a hidden markov model what are multivariate density functions with ellipsoidal symmetry what is the density function of ellipsoidal symmetry which function is a multivariate probability density function is density ellipsoidal what is density function in a markov model why are density and distribution functions assumed to have an ellipsoid symmetry? does density function have ellipsoid which density functions have an ellipsoid symmetry what type of symmetry is used for density functions