bures_wasserstein_log: Compute the Bures-Wasserstein Logarithm

In riemtan: Riemannian Metrics for Symmetric Positive Definite Matrices

Compute the Bures-Wasserstein Logarithm

Description

This function computes the Riemannian logarithmic map using the Bures-Wasserstein metric for symmetric positive-definite matrices.

Usage

bures_wasserstein_log(sigma, lambda, validate = FALSE)

Arguments

sigma	A symmetric positive-definite matrix of class dppMatrix, representing the reference point.
lambda	A symmetric positive-definite matrix of class dppMatrix, representing the target point.
validate	A logical value indicating whether to validate input arguments. Default is FALSE.

Value

A symmetric matrix of class dspMatrix, representing the tangent space image of lambda at sigma.

riemtan documentation built on Nov. 11, 2025, 1:06 a.m.