How to Detect and Construct N-matrices
Rings and Algebras
2020-01-22 v1 Numerical Analysis
Numerical Analysis
Abstract
N-matrices are real matrices all of whose principal minors are negative. We provide (i) an test to detect whether or not a given matrix is an N-matrix, and (ii) a characterization of N-matrices, leading to the recursive construction of every N-matrix.
Keywords
Cite
@article{arxiv.2001.06761,
title = {How to Detect and Construct N-matrices},
author = {Projesh Nath Choudhury and Michael J. Tsatsomeros},
journal= {arXiv preprint arXiv:2001.06761},
year = {2020}
}
Comments
12 pages