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Supplied objective function must return a scalar value in fmincon

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Sanyam Maheshwari
Sanyam Maheshwari 2020 年 7 月 17 日
コメント済み: Walter Roberson 2020 年 7 月 23 日
Hey guys please help me I am getting this error in my optimization problem
Below is the Data File
global SL V p r k m n C Z s
SL = 0.75;
V = 94100;
p = [0.07,0.18,0.2,0.3];
r = [55,47,45,49];
k = [33,28,29,30];
m = 4;
n= 4;
C = [78,69,70,73;
64,68,56,59;
34,39,42,41;
52,47,48,45];
Z =[250 250 250 250;
320 320 320 320;
440 440 440 440;
350 350 350 350];
s = [110,95,99,100;
110,95,99,100;
110,95,99,100;
110,95,99,100];
bguess = randi(4,4);
bguess = (bguess<2);
Q0 = [zeros(4,4) bguess];
% call the solver
xopt = fmincon(@EP, Q0,[],[],[],[],[],[]);
Below is the Objective Function File
function G = EP(Q,b)
global s r k C m n
rng;
y = rand(4);
b = randi(4,4);
b = (b<2);
q = 0;
for i = 1:m
for j = 1:n
q = q + y(i,j)*Q(i,j);
end
end
x = sym('x',[1,4]); %x as symbolic variable
f1 = 0;
for i = 1:m
for j = i:n
f1 = f1 + s(i,j)*b(i,j)*x(j);
end
end
f2 = 0;
for i = 1:m
for j = 1:n
f2 = f2+C(i,j)*b(i,j)*y(i,j)*Q(i,j);
end
end
f3 = 0;
f3a = 0;
for i = 1:m
for j = 1:n
f3a = f3a + y(i,j)*Q(i,j)-x(j);
end
end
for i = 1:m
for j = 1:n
f3 = f3 + b(i,j)*r(j)*f3a;
end
end
f4 = 0;
for i = 1:m
for j = 1:n
f4 = f4+ s(j)*b(i,j)*y(i,j)*Q(i,j);
end
end
f5 = 0;
f5a = 0;
for i = 1:m
for j = 1:n
f5a = f5a + x(j) -y(i,j)*Q(i,j);
end
end
for i = 1:m
for j = 1:n
f5 = f5 + b(i,j)*k(j)*f5a;
end
end
F1 = int(((f1 - f2 + f3).*normpdf(x, 400, 100)),0,q);
F2 = int(((f4 - f2 - f5).*normpdf(x, 400, 100)),q,Inf);
G = -(F1 +F2);
end
This is the error I am getting. Please help me.
  9 件のコメント
Sanyam Maheshwari
Sanyam Maheshwari 2020 年 7 月 23 日
I did"nt understand
Walter Roberson
Walter Roberson 2020 年 7 月 23 日
"(reminder to myself)" indicates that I need to return to this question and give you a reply when I have more time. I have been working on so many questions recently that the ones I still need to do more work on, are scrolling off the first three pages of the lists of my activity.

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