Trying to find FIR filter coefficients

b = fir1(25,pi/6,rectwin(26));

This is the windowed filter I have created and I was wodnering if someone could show me how to find its coefficients.

Answer 1

[Star Strider]

The ‘b’ vector are the coefficients, however specifying a sampling frequency of the signal the filter is designed to work with would be necessary to use it in practice.

That vector produces this frequency characteristic —

b = fir1(25,pi/6,rectwin(26));

figure
freqz(b, 1, 2^16)

To filter a signal with them, use the filtfilt function.

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