% Example 3a: Compute the samples of the biorthogonal scaling functions % and wavelets. [s,a]= biorwavf('bior2.2'); % 9/7 filters [h0,h1,f0,f1] = biorfilt(a, s); [x,phi,phitilde,psi,psitilde] = biphivals(h0,h1,f0,f1,5); plot(x,phi,'-',x,psi,'-.') legend('Primary scaling function', 'Primary wavelet') pause plot(x,phitilde,'--',x,psitilde,':') legend('Dual scaling function', 'Dual wavelet')