IJPAM: Volume 34, No. 4 (2007)

THE PROBABILITY THAT A RATIONAL RANDOM
MATRIX HAS MULTIPLE EIGENVALUES

Zhang Zhinan
College of Mathematics and System Science
Xinjiang University
Urumqi, 830046, P.R. CHINA
e-mail: znz01@xju.edu.cn


Abstract.In this paper, we show that the Probability of a random floating point matrix to be diagonalizable nears 1. Thus no one numerical algorithm is effective for determining the Jordan block structure of a random floating point matrix having nonlinear elementary divisor.

Received: September 26, 2006

AMS Subject Classification: 15A52

Key Words and Phrases: Jordan canonical form, random matrix, Lebesgue measure

Source: International Journal of Pure and Applied Mathematics
ISSN: 1311-8080
Year: 2007
Volume: 34
Issue: 4