Thanks for replying,
so should i write as input:
ZTransform[x^((-1)^n), n, z]
(* Out[342]= (z (1 + x^2 z))/(x (-1 + z^2)) *)
?
If i do so, Wolfram doesn't compute it, trying to solve
342=(z (1 + x^2 z))/(x (-1 + z^2))
as an equation.
As example, how could I write this?
