daub1018

 daub1018.m

 Returns the filter coefficients for the popular Daubechies 10,18 wavelet
 set
 Usage : [h0,h1,g0,g1] = daub1018
 h0 - lowpass analysis
 h1 - highpass analysis
 g0 - lowpass synthesis
 g1 - highpass synthesis
 
 Written by : Justin Romberg
 Created : 8/27/2001

0001 % daub1018.m
0002 %
0003 % Returns the filter coefficients for the popular Daubechies 10,18 wavelet
0004 % set
0005 % Usage : [h0,h1,g0,g1] = daub1018
0006 % h0 - lowpass analysis
0007 % h1 - highpass analysis
0008 % g0 - lowpass synthesis
0009 % g1 - highpass synthesis
0010 %
0011 % Written by : Justin Romberg
0012 % Created : 8/27/2001
0013 function [h0, h1, g0, g1] = daub1018()
0014 
0015 h0 = [0 0 0 0 0.02885256501123 0.00008244478228 -0.15752644690763 ,...
0016       0.07679048884692 0.75890772945376 0.75890772945376 ,...
0017       0.07679048884692 -0.15752644690763 0.00008244478228 ,...
0018       0.02885256501123 0 0 0 0];
0019 
0020 h1 = [-0.00095441586824 -0.00000272719630 0.00945246299836 ,...
0021       -0.00252803729395 -0.03083373438534 -0.01376513483818 ,...
0022       0.08566118833165 0.16336854055699 -0.62335964103441 ,...
0023       0.62335964103441 -0.16336854055699 -0.08566118833166 ,...
0024       0.01376513483818 0.03083373438534 0.00252803729395 ,...
0025       -0.00945246299836 0.00000272719630 0.00095441586824];
0026 
0027 g0 = [0.00095441586824 -0.00000272719630 -0.00945246299836 ,...
0028       -0.00252803729395 0.03083373438534 -0.01376513483818 ,...
0029       -0.08566118833165 0.16336854055699 0.62335964103441 ,...
0030       0.62335964103441 0.16336854055699 -0.08566118833166 ,...
0031       -0.01376513483818 0.03083373438534 -0.00252803729395 ,...
0032       -0.00945246299836 -0.00000272719630 0.00095441586824];
0033 
0034 g1 = [0 0 0 0 0.02885256501123 -0.00008244478228 -0.15752644690763 ,...
0035       -0.07679048884692 0.75890772945376 -0.75890772945376 ,...
0036       0.07679048884692 0.15752644690763 0.00008244478228 ,...
0037       -0.02885256501123 0 0 0 0];
0038