使用matlab语言设计的

				function example01;
				% out=randint(3,5,[-4,7])
				% out=randsrc(3,5,[-3 -1 1 3;0.25 0.25 0.25 0.25])
				% [index,quants,distor]=quantiz([3 34 84 40 23],10:10:90,10:10:100)
				t=[0:0.1:2*pi];
				s=sin(t);
				partition=[-1:0.2:1];
				codebook=[-1.2:0.2:1];
				[index,quants,distor]=quantiz(s,partition,codebook);
				[partition2,codebook2]=lloyds(s,codebook);
				[index2,quants2,distor2]=quantiz(s,partition2,codebook2);
				plot(t,s,t,quants,'.',t,quants2,'*');
				[distor,distor2]