freqz

Signal Processing

Frequency response of digital filter.

▶ Try in SimLab — Free

Syntax

freqz(b, a)
freqz(b, a, n)

Examples

h = butter(4, 0.3); freqz(h.b, h.a)
▶ Run

See Also

butterfilter

Try SimLab — Free MATLAB® Alternative

466 functions. Runs in your browser. No install.

Open SimLab

Stay Updated

Get notified about new simulations and tools. We send 1-2 emails per month.