stepseq.m

来自「matlab的一些基础程序」· M 代码 · 共 10 行

function [x,n]=stepseq(n0,n1,n2)
%Generates x(n)=u(n-n0);n1<=n,n0<=n2
%-----------------------------------------
if((n0<n1)|(n0>n2)|(n1>n2))
   error('arguments must satisfy n1<=n0,n<=n2')
end
n=[n1:n2];
x=[(n-n0)>=0];