www.gusucode.com > wavelet 源码程序 matlab案例代码 > wavelet/FejerKorovkinFiltersExample.m

    %% Fejer-Korovkin Filters
% Construct and plot the Fejer-Korovkin (14) scaling function and wavelet.
%%
% Obtain the Fejer-Korovkin scaling filter and display its 14 coefficients.

% Copyright 2015 The MathWorks, Inc.

Lo = fejerkorovkin('fk14')
%% 
% Use the scaling filter to obtain the wavelet filter and display its  
% wavelet filter coefficients. 
Hi = qmf(Lo)
%%
% |wavefun| provides an efficient way to construct and plot the scaling 
% function and wavelet. 
[phi,psi,xval] = wavefun('fk14');
subplot(2,1,1)
plot(xval,phi)
title('Scaling Function')
subplot(2,1,2)
plot(xval,psi)
title('Wavelet')