In the case of discrete-time dynamical systems, we can similarly find exact general solutions when the systems are linear. For example, consider the discrete-time system:
a) $xₙ₊₁ = axₙ + b$
b) $xₙ₊₁ = xₙ² + c$
c) $xₙ₊₁ = 1/xₙ + d$
d) $xₙ₊₁ = √xₙ + e$
