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wavefun2

2-D Wavelet and Scaling Functions

Calling Sequence

[S,W1,W2,W3,XYVAL]=wavefun2(wname,ITER)

Parameters

wname
: wavelet name, haar( "haar"), daubechies ("db1" to "db20"), coiflets ("coif1" to "coif5"), 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)
ITER
: iteration cycle, default is 4, large cycle may consume more time
S
: tensor product of PHI and PHI
W1
: tensor product of PHI and PSI
W2
: tensor product of PSI and PHI
W3
: tensor product of PSI and PSI
XYVAL
: 2-D time domain grid

Description

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.

Examples

[S,W1,W2,W3,XYVAL]=wavefun2('sym4',4);

Authors

Roger Liu and Isaac Zhi

See Also

<< wavefun wavelet toolbox waverec >>