dwti(a,n,f) Returns the n-level interval wavelet transform
of the array a by the wavelet
filter f.
idwti(a,n,f) Returns the n-level inverse interval wavelet transform
of the array a by the wavelet
filter f.
Arguments:
a is a vector
or matrix. If a is a vector, length(a)/2n must be an integer and length(a)/2n must be greater than or equal
to m, where symmlet(m)
or daublet(m) is being used as
f. If a
is a matrix, the row and column lengths must satisfy these requirements.
n is an integer.
f is a vector
resulting from daublet(m) (where
m is an even integer between
4 and 6, inclusive) or symmlet(m)
(where m is an even integer between
4 and 16, inclusive).