Z-transform (reference)
Discrete transform snippets.
Calculator
How to use
Discrete
ROC matters in courses.
Educational use only. For assessments, show reasoning and check boundary cases.
Discrete transform snippets.
ROC matters in courses.
Educational use only. For assessments, show reasoning and check boundary cases.
Model / formula
Z-transform snippets (discrete)
Reference
Z{δ[n]} = 1 Z{u[n]} = z/(z−1), |z|>1 Z{a^n u[n]} = z/(z−a), |z|>|a| Z{sin(ω₀ n)} — use Euler on e^{±iω₀ n}