ListZTransform
ListZTransform[list, z] gives the Z transform of list as a function of z.
ListZTransform[list, z, k]places the first element of list at integer time k on the infinite time axis.ListZTransform[list, {z1, z2, ...}, {k1, k2, ...}]gives the multidimensional Z transform.
Examples
ListZTransform[{1, 2, 3, 4}, z]ListZTransform[{a, b, c}, z, 0]Please visit the official Wolfram Language Reference for more details.