Let
be a Matrix with Positive Coefficients so that for all , 2, ..., ,
then
has a Positive Eigenvalue , and all its Eigenvalues lie on
the Closed Disk

**References**

Gradshteyn, I. S. and Ryzhik, I. M. *Tables of Integrals, Series, and Products, 5th ed.* San Diego, CA:
Academic Press, p. 1121, 1979.

© 1996-9

1999-05-26