Ready-to-use metric objects for various Riemannian geometries on the manifold of symmetric positive definite matrices.

airm

log_euclidean

euclidean

log_cholesky

bures_wasserstein

Format

Objects of class rmetric containing four functions:

log

Computes the Riemannian logarithm

exp

Computes the Riemannian exponential

vec

Performs vectorization

unvec

Performs inverse vectorization

An object of class rmetric of length 4.

An object of class rmetric of length 4.

An object of class rmetric of length 4.

An object of class rmetric of length 4.

An object of class rmetric of length 4.