"This notebook walks you through how to implement $ x := L^T x $ where $ L $ is lower triangular. Vector $ y $ is not to be touched (and, indeed, not even passed into the routines). This is a little ...

Bankura Christian College, Bankura, India. Department of Applied Mathematics with Oceanology and Computer Programming, Vidyasagar University, Midnapore, India. The paper is organized as follows: In ...