dwtmult1

 dwtmult1.m

 Performs multiple levels of the discrete wavelet transform (using
 dwtlevel1).  Lines up stuff for "tree" structure
 Usage : w = dwtmult1(x, h0, h1, L)

 Written by : Justin Romberg
 Created : 5/1/2001

0001 % dwtmult1.m
0002 %
0003 % Performs multiple levels of the discrete wavelet transform (using
0004 % dwtlevel1).  Lines up stuff for "tree" structure
0005 % Usage : w = dwtmult1(x, h0, h1, L)
0006 %
0007 % Written by : Justin Romberg
0008 % Created : 5/1/2001
0009 
0010 function w = dwtmult1(x, h0, h1, L, sym)
0011 
0012 if (nargin == 4), sym = 0; end
0013 
0014 N = length(x);
0015 
0016 w = x;
0017 for ll = 1:L
0018   w(1:N*2^(-ll+1)) = dwtlevel1(w(1:N*2^(-ll+1)), h0, h1, sym);
0019 end