[h,g,a]=wfilt_spline(m,n);
| m | Number of zeros at \(z=-1\) of the lowpass filter in g{1} |
| n | Number of zeros at \(z=-1\) of the lowpass filter in h{1} |
[h,g,a]=wfilt_spline(m,n) with \(m+n\) being even returns biorthogonal spline wavelet filters.
wfiltinfo('ana:spline4:2');
wfiltinfo('syn:spline4:2');