Unimodular polynomial matrix

Short description: Square polynomial matrix in mathematics

In mathematics, a unimodular polynomial matrix is a square polynomial matrix whose inverse exists and is itself a polynomial matrix. Equivalently, a polynomial matrix A is unimodular if its determinant det(A) is a nonzero constant.

References

• Antsaklis, Panos J.; Michel, Anthony N. (2006), A Linear Systems Primer, p. 273, ISBN 978-0-8176-4460-4 
• Horn, Roger A.; Johnson, Charles R. (1985), Matrix Analysis, Cambridge University Press, p. 14, ISBN 978-0-521-38632-6 .

External links

• [1] Polynomial matrix glossary at Polyx (A matlab toolbox)