for loop with the same variable but two values

I have a for loop which is the following

for i=1:2

bm(i) = bm + yi(i)*b1(i);

for j=1:2

aam(i,j)=aam+yi(i)*yi(j)*sqrt(aa(i)*aa(j));

end

end

for the yi and aa I have two values for each that I need to be multiplied to each other in each loop, and I'm not sure how exactly to do it.

Answer 1

[David Hill]

No loop needed. Assumed yi and aa row vectors.

bm=bm+yi.*b1;
aam = aam+(yi'.*yi).*sqrt(aa'.*aa);

Answer 2

[Arif Hoq]

if you want to use 'loop'

b1=5;   % assuming value
yi=[2,3]; % assuming value
aa=[4,4]; % assuming value
bm=3; % assuming value
aam=4; % assuming value
C=cell(1,2); 
for i=1
    for j=2    
 C{1,i} = bm + yi(i)*b1;
 C{1,j}=aam+yi(i)*yi(j)*sqrt(aa(i)*aa(j));
    end
end
Output=[C{:}];