2 papers
math.NA2026
Structured distance to singularity as a nonlinear system of equations
Miryam Gnazzo, Nicola Guglielmi, Federico Poloni +1
In this article we study the structured distance to singularity for a nonsingular matrix , with a prescribed linear structure (for instanc…
math.NA2016
A novel iterative method to approximate structured singular values
Nicola Guglielmi, Mutti-Ur Rehman, Daniel Kressner
A novel method for approximating structured singular values (also known as mu-values) is proposed and investigated. These quantities constitute an important tool in the stability a…