View source for Talk:HW 3.7 - Joseph Yu ECE301 Summer2009 - Rhea

function y = myconv(x1,x2)
 
x3=fliplr(x2); 

len1=length(x1); 

len2=length(x2); 

len3=len1+len2-1; 

len4=len2-1; 

y=zeros(1,len3); 


 
for q=1:1:len3 

q1=q+len4; 

n2=zeros(1,len3); 

n2([q:q1])=x3; 

len5=length(n2); 

n1=zeros(1,len5); 

n1([len2:len3])=x1; 

c1=n1.*n2; 

c2=0; 

for i=1:1:len3 

c2=c2+c1([i]); 

end 

sum=c2 

y([q])=sum 

end 

 
t=length(y); 

t2=(t-1)/2; 

v=-t2:1:t2; 

subplot(3,1,1),stem(x1,'g*'); 

subplot(3,1,2),stem(x2,'b*'); 

subplot(3,1,3),stem(v,y,'r*');