Hi, I've got an expression
X = (5/(e^(T*p) - 1) + 1/(e^(T*p) - e^(2*T)))*e^(T*p)/(80*e^(T*p) + e^(2*T*p))
(its result of D-transform - discrete laplace transform - don't know details, me bad in math) I need to replace e^(T*p) by z How can i do that ? Thanks!