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Hello guys, please help me to solve the below mentioned prograame. it is not running
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D1=2;
D2=3;
D3=5;
Q1=4;
Q2=5;
Q3=6;
V1=4*Q1/(3.14*D1^2);
V2=4*Q2/(3.14*D2^2);
V3=4*Q3/(3.14*D3^2);
P1=5*D1^2;
P2=5*D2^2;
P3=0.5*D3^2;
if Vi<=10
Cpv=0;
else
for i=1:3
Cpv=(1/15)*(Vi^2-100);
end
end
%%%%
if Pj>=18
Cpp=0;
else
for j=1:3
Cpp=Cpp+18-Pj;
end
end
Comment on this Answer
Antworten (2)
Image Analyst
am 19 Jan. 2018
You need to define Vi and Pj. For example:
Vi = 5
Pj = 22
or whatever. If you do that, it runs.
7 Kommentare
Walter Roberson
am 20 Jan. 2018
Your objective function is going to receive a vector of values in a single variable. Extract portions of that vector into variables inside the function. Use vectors and index them as needed.
Walter Roberson
am 20 Jan. 2018
function cost = obj(x)
P = x(1:10) ;
V = x(11:18);
cost = sum((P-7).^2) + sum((V-100).^2) ;
6 Kommentare
Jan
am 22 Feb. 2018
@adarsh: Do not let the expression "Q1,Q2,Q3, ..." confuse you. Later in the document Q is an array and an index is used: Q(1), Q(2), ... Using vectors is the right way to go.
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