"This notebook helps you implement the operation $ C := U R $ where $ C, U, R \\in \\mathbb{R}^{n \\times n} $, and $ U $ and $ R $ are upper triangular. $ U $ and $ R $ are stored in the upper ...

College of Mathematics and Information Science, Shangqiu Normal University, Shangqiu, China. In the last decades considerable attention has been paid to upper triangular operator matrices, ...

[6] Complex symmetric operators and their Weyl type theorems (The research of geometric structures in quantum information based on Operator Theory and related … ...

Abstract: A matrix, in which most of the elements are present with zero values, is known as sparse matrix. Sparse matrices have many types in which lower and upper triangular matrices are often seen ...

2022 IEEE/ACM Workshop on Irregular Applications: Architectures and Algorithms (IA3) Decomposing sparse matrices into lower and upper triangular matrices (sparse LU factorization) is a key operation ...

An illustration of a magnifying glass. An illustration of a magnifying glass.