On compressions of normal matrices

Autor: John Maroulas, Maria Adam
Rok vydání: 2002
Předmět:
Zdroj: Linear Algebra and its Applications. 341(1-3):403-418
ISSN: 0024-3795
DOI: 10.1016/s0024-3795(01)00505-5
Popis: Let A be a normal matrix and consider the polygon NR[A]={x * Ax: ∥x∥=1}. If υ * Aυ∈ int NR[A] , a projector matrix P υ is defined such that NR [ P * υ AP υ ] is supported by all or some edges of a polygon.
Databáze: OpenAIRE