Signal Processing Toolbox

Design Method Region

This region allows you to select a filter design method. The methods that you see listed depend on the current selection in the Filter Type region.

IIR Methods

Butterworth (butter)

Chebyshev Type I (cheby1)

Chebyshev Type II (cheby2)

Elliptic (ellip)

Maximally flat (available for Lowpass filter type only)

Least Pth-norm (available with Filter Design Toolbox only)

Constrained least Pth-norm (available with Filter Design Toolbox only)

FIR Methods

Equiripple (remez)

Least Squares (firls)

Window (fir1) (available for the Lowpass, Highpass, Bandpass, and Bandstop filter types only)

Maximally flat (availablefor Lowpass filter type only)

Least Pth-norm (available with Filter Design Toolbox only)

Constrained Equiripple (available with Filter Design Toolbox only)

Filter Type Region

Filter Order Region