InverseBilateralZTransform
InverseBilateralZTransform[expr, z, n] gives the inverse bilateral Z transform of expr.
InverseBilateralZTransform[expr, {z1, ..., zk}, {n1, ..., nk}]gives the multidimensional inverse bilateral Z transform of expr.
Examples
InverseBilateralZTransform[z/(z - 1), z, n]InverseBilateralZTransform[1/(z - 2), z, n]Please visit the official Wolfram Language Reference for more details.