sigmult.m

很多matlab的源代码

function [y,n] = sigmult(x1,n1,x2,n2)
%x1=2;
%x2=4;
%n1=5;
%n2=9;
n=min(min(n1),min(n2)):max(max(n1),max(n2));
y1=zeros(1,length(n));
y2=y1;
y1(find((n>=min(n1))&(n<=max(n1))==1))=x1;
y2(find((n>=min(n2))&(n<=max(n2))==1))=x2;
y=y1.*y2;