A chemical manufacturer produces three different chemical products. The profit per unit, the labor and raw material required per unit, and the pollution emitted per unit are given in the file. This company’s two objectives are to maximize profit and minimize pollution produced. The company wants to identify a set of points that constitute a trade-off curve for these two objectives. Formulate and solve an appropriate optimization model in the given shell file to help the chemical manufacturer find this trade-off curve.
Calculations: | |||||||||||
For maximizing profit: | |||||||||||
Initial Iteration: | |||||||||||
10 | 9 | 8 | 0 | 0 | |||||||
yB | cB | xB | y1 | y2 | y3 | y4 | y5 | xB/y1 | |||
x4 | 0 | 1300 | 4 | 3 | 2 | 1 | 0 | 325 | |||
x5 | 0 | 1000 | 3 | 2 | 3 | 0 | 1 | 333.3333 | <- min | ||
zj | 0 | -10 | -9 | -8 | 0 | 0 | |||||
min | |||||||||||
Here x1 is incoming & x5 is outgoing vector | |||||||||||
First Iteration: | |||||||||||
10 | 9 | 8 | 0 | 0 | |||||||
yB | cB | xB | y1 | y2 | y3 | y4 | y5 | xB/y2 | |||
x4 | 0 | 1296 | 0 | -1 | -2 | -3 | -4 | -1296 | <- min | ||
x1 | 10 | 333.3333 | 1 | 0.666667 | 1 | 0 | 0.333333 | 500 | |||
zj | 3333.33 | 0.00 | -2.33 | 2.00 | 0.00 | 3.33 | |||||
min | |||||||||||
Here x2 is incoming & x4 is outgoing vector | |||||||||||
Final Iteration: | |||||||||||
10 | 9 | 8 | 0 | 0 | |||||||
yB | cB | xB | y1 | y2 | y3 | y4 | y5 | ||||
x2 | 9 | -1296 | 0 | 1 | 2 | 3 | 4 | ||||
x1 | 10 | 1197.333 | 1 | 0 | -0.33333 | -2 | -2.33333 | ||||
zj | 309.33 | 0.00 | 0.00 | 6.67 | 7.00 | 12.67 | |||||
Here all the values under zj's are positive for each yj, so this gives the optimum solution as x1 = 1197.33 ≈ 1197, x2 = 1296 & x3 = 0 & Maximum Z = $309.33 | |||||||||||
A chemical manufacturer produces three different chemical products. The profit per unit, the labor and raw material required per unit, and the pollution emitted per unit are given in the file. This co...
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