代码：
% All-Zeros FIR filter to Lattice structure filter b = [2, 13/12, 5/4, 2/3]; K = dir2latc(b) % To Check [delta, n] = impseq(0, 0, 3); format long; hdirect = filter(b, 1, delta) hlattice = latcfilt(K, delta)
运行结果：
《DSP using MATLAB》示例Example 6.8
原文：http://www.cnblogs.com/ky027wh-sx/p/6396513.html