Dear All,
Here I have the following script, where I compute the same thing using
two iteration methods:
alfa = rand(1,10);
Rpr = rand();
R = rand();
Z = rand(10,200);
G = zeros(1,200);
for i=1:200
A = 0;
B = 0;
for k = 1:10
A = A + Rpr*alfa(k) / (Z(k,i) + alfa(k)*(1 - alfa(k))*R);
B = B + Rpr*(1 - alfa(k)) / (Z(k,i) + alfa(k)*(1 -
alfa(k))*R);
end
G(i) = (1 + A) / (1 + B);
end
A = 1;
B = 1;
for k = 1:10
A = A + Rpr*alfa(k) ./ (Z(k,:) + alfa(k)*(1 - alfa(k))*R);
B = B + Rpr*(1 - alfa(k)) ./ (Z(k,:) + alfa(k)*(1 - alfa(k))*R);
end
G1 = A ./ B;
[M, ind] = max(abs(G- G1))
However, the last line shows that there are differences between both
methods. They are tiny (near %eps), but I can't find nor imagine which
is the reason.
NOTE: I kept the original formulas as in the script where the problem
arised but changed the data. When I tried to use a simpler formula there
was no difference.
Any idea?
Regards,
Federico Miyara
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