Example 1
Find all roots of the quasi-polynomial
located in the region D
syms s
QP=s^3+3.1*s+(1.8*s^3+2.3)*exp(-0.31*s)+1.9*s^2*exp(-1.43*s)+0.7*exp(-2.5*s)
P=qpmr(QP,[-20 10 0 10],0.1*pi/2.5,0.0000001)
Example 2
Find all roots of the quasi-polynomial
located in the region D
