function [x,n] = impseq(n0,n1,n2)答:没有定义n0,n1,n2大小关系,你要的是下面这个函数吧 function[x,n]=impseq(n0,n1,n2)产生x(n)=delta((n-n0);n1<=n0<=n2 --- [x,n]=imseq(n0,n1,n2)if(n0<n1||n2<n0||n2<n1)error('参数必须满足n1<=n0<=n2')end n=n1:n2;x=[zeros(1,(n0-n1)),1,zeros(1,(n2-n0)...