Here is one for a bandstop filter:
Fs = 2250; % Sampling Frequency
Fn = Fs/2; % Nyquist Frequency
Wp = [59 61]/Fn; % Stopband Frequency (Normalised)
Ws = [58 62]/Fn; % Passband Frequency (Normalised)
Rp = 1; % Passband Ripple
Rs = 60; % Passband Ripple (Attenuation)
[n,Wp] = ellipord(Wp,Ws,Rp,Rs); % Elliptic Order Calculation
[z,p,k] = ellip(n,Rp,Rs,Wp,'stop'); % Elliptic Filter Design: Zero-Pole-Gain
[sos,g] = zp2sos(z,p,k); % Second-Order Section For Stability
figure
freqz(sos, 2^18, Fs) % Filter Bode Plot
set(subplot(2,1,1), 'XLim',[0 100]) % Restrict Frequency Axis If Necessary To See Detail
set(subplot(2,1,2), 'XLim',[0 100]) % Restrict Frequency Axis If Necessary To See Detail
% signal_filt = filtfilt(sos, g, signal); % Filter Signal
Make appropriate changes to use it with your signals.
