Bode
Bode plot
group
group delay for digital filter
Sample
Sample with replacement
wfir
linear-phase FIR filters
fsfirlin
design of FIR, linear phase filters, frequency sampling technique
remez
Remez exchange algorithm for the weighted chebyshev approximation of a continuous function with a sum of cosines.
zpbutt
Butterworth analog filter
iir
iir digital filter
eqiir
Design of iir filters