For any set
of Positive numbers with and

Then all the Eigenvalues satisfying , where is the Characteristic Polynomial, lie on the Disk .

**References**

Gradshteyn, I. S. and Ryzhik, I. M. *Tables of Integrals, Series, and Products, 5th ed.* San Diego, CA:
Academic Press, p. 1119, 1979.

© 1996-9

1999-05-26