2-D Wavelet and Scaling Functions
[S,W1,W2,W3,XYVAL]=wavefun2(wname,ITER)
wavelet name, haar( "haar"), daubechies ("db1" to "db36"), coiflets ("coif1" to "coif17"), symlets ("sym2" to "sym20"), legendre ("leg1" to "leg9"), bathlets("bath4.0" to "bath4.15" and "bath6.0" to "bath6.15"), dmey ("dmey"), beyklin ("beylkin"), vaidyanathan ("vaidyanathan"), biorthogonal B-spline wavelets ("bior1.1" to "bior6.8"), "rbior1.1" to "rbior6.8", Kingsbury ("ksq1", "ksq2"), Farras ("fa1", fa2)
iteration cycle, default is 4, large cycle may consume more time
tensor product of PHI and PHI
tensor product of PHI and PSI
tensor product of PSI and PHI
tensor product of PSI and PSI
2-D time domain grid
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.