Energy of a stochastic signal

Routh-Hurwitz table for discrete and continuous time systems.

This function computes the energy of a stochastic signal, which is the integral of its spectral density function (also its variance):

for continuous time, and

for discrete time systems.

Moreover, this function calculates and outputs the Routh-Hurwitz table of the system.

For more information, please see the comments inside the codes.