Title :
On a dissimilarity of polynomial derivatives of single- and multivariable positive real functions
Author :
Ramachandran, V. ; Ahmad, M.O.
Author_Institution :
Concordia University, Montreal, P.Q., Canada
Abstract :
This letter establishes that the polynomial derivatives of a positive real function cannot be a reactance function in the cage of a single variable, Whereas this is possible in the case of multivariable positive real functions.
Keywords :
Computer science; Electrons; Frequency domain analysis; Impedance; Poles and zeros; Polynomials; Radio frequency; Stability;
Journal_Title :
Proceedings of the IEEE
DOI :
10.1109/PROC.1982.12452