The Moore-Penrose inverse of a companion matrix

• Author(s): Patrício, Pedro
• Date: 2012
• Persistent ID: http://hdl.handle.net/1822/18322
• Origin: RepositóriUM - Universidade do Minho
• Subject(s): Companion matrix; Moore-Penrose inverse; von Neumann inverse; Rings
• Document Type: Article
• Language: English

Description

Necessary and sufficient conditions are given for the Moore-Penrose inverse of a companion matrix over an arbitrary ring to exist.