please answer 1b only with clear steps
please I need you to answer only the sub question (b) for me.
1)
(b)
Solution:
(I)
given three components are Resistor,Transistor,Capacitor.
let x1,x2,x3 are the variables to this linear programing problem.
Formulation of linear progamming problem is,
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subject to | ||||||||||||||||||||||
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and x1,x2,x3≥0; |
(II)
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subject to | ||||||||||||||||||||||
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and x1,x2,x3≥0; |
The problem is converted to canonical form by adding slack, surplus
and artificial variables as appropiate
1. As the constraint-1 is of type '=' we should add artificial
variable A1
2. As the constraint-2 is of type '=' we should add artificial
variable A2
After introducing artificial variables
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subject to | ||||||||||||||||||||||||||||||||||
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and x1,x2,x3,A1,A2≥0 |
Iteration-1 | Cj | 200 | 120 | 150 | -M | -M | ||
B | CB | XB | x1 | x2 | x3 | A1 | A2 | MinRatio XBx3 |
A1 | -M | 5 | 20 | 10 | 10 | 1 | 0 | 510=0.5 |
A2 | -M | 12 | 10 | 20 | (30) | 0 | 1 | 1230=0.4→ |
Z=-17M | Zj | -30M | -30M | -40M | -M | -M | ||
Zj-Cj | -30M-200 | -30M-120 | -40M-150↑ | 0 | 0 |
Negative minimum Zj-Cj is -40M-150 and its column index is 3. So,
the entering variable is
x3
Minimum ratio is 0.4 and its row index is 2. So,the leaving basis variable is
A2
Iteration-2 | Cj | 200 | 120 | 150 | -M | ||
B | CB | XB | x1 | x2 | x3 | A1 | MinRatio XBx1 |
A1 | -M | 1 | (16.6667) | 3.3333 | 0 | 1 | 116.6667=0.06→ |
x3 | 150 | 0.4 | 0.3333 | 0.6667 | 1 | 0 | 0.40.3333=1.2 |
Z=-M+60 | Zj | -16.6667M+50 | -3.3333M+100 | 150 | -M | ||
Zj-Cj | -16.6667M-150↑ | -3.3333M-20 | 0 | 0 |
Negative minimum Zj-Cj is -16.6667M-150 and its column index is 1.
So,the entering variable is
x1
Minimum ratio is 0.06 and its row index is 1. So,the leaving basis variable is A1
Iteration-3 | Cj | 200 | 120 | 150 | ||
B | CB | XB | x1 | x2 | x3 | MinRatio |
x1 | 200 | 0.06 | 1 | 0.2 | 0 | |
x3 | 150 | 0.38 | 0 | 0.6 | 1 | |
Z=69 | Zj | 200 | 130 | 150 | ||
Zj-Cj | 0 | 10 | 0 |
Since all Zj-Cj≥0
Hence, optimal solution is arrived with value of variables as
:
x1=0.06,x2=0,x3=0.38
Max Z=69 should be made for each to get maximum financial returns
algebrically.
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(Thank You).
please answer 1b only with clear steps please I need you to answer only the sub...
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