A Riemannian Derivative-Free Polak-Ribiere-Polyak Method for Tangent Vector Field

Teng-Teng Yao, Zhi Zhao, Zheng-Jian Bai +1

This paper is concerned with the problem of finding a zero of a tangent vector field on a Riemannian manifold. We first reformulate the problem as an equivalent Riemannian optimiza…