how to make for loop for this equation

n=-170/10;
N0=10^n
B=120000;
a=0
for k=1:K
c(k)=(hm(k)*vk(k));
d(k)=abs(c(k));
e(k)=d(k)^2;
f(k)=e(k)*Ptot(k)
%a=a+f(k)
end
for i=1:K   
   mm=B*N0
   em=a+mm
   r(i)=f(i)./em
   z(i)=abs(r(i));   
end

hm(k) is 10x1 matrix and vk(k) is 1x10 matrix Ptot has K number of value

[M]

What is your problem exactly ?

[VISHALI V]

i attach one file in that equation denominator there is loop how to make "for loop" for that equation