2-D Wavelet and Scaling Functions
[S,W1,W2,W3,XYVAL]=wavefun2(wname,ITER)
wavefun2 is an utility to get 2-D scaling function phi and wavelet function psi. Only available on orthogonal wavelets. ITER should be small integers for short computation time.
[S,W1,W2,W3,XYVAL]=wavefun2('sym4',4);
Roger Liu and Isaac Zhi