MGM 350
Production Schedule and loom assignment
Decision Variable
X1: Yards of fabric 1 on dobbie loom
X2: Yards of fabric 2 on dobbie loom
X3: Yards of fabric 3 on dobbie loom
X4: Yards of fabric 4 on dobbie loom
X5: Yards of fabric 5 on dobbie loom
X6: Yards of fabric 3 on regular loom
X7: Yards of fabric 4 on regular loom
X8: Yards of fabric 5 on regular loom
X9: Yards of fabric 1 purchased
X10: Yards of fabric 2 purchased
X11: Yards of fabric 3 purchased
X12: Yards of fabric 4 purchased
X13: Yards of fabric 5 purchased
Profit Contribution per yard
|Fabric |Manufacturing (Selling-Variable) |Purchasing (Selling-Purchasing) |
|1 |0.33 (0.99-0.66) |0.19 (0.99-0.8) |
|2 |0.31 (0.86-0.55) |0.16 (0.86-0.7) |
|3 |0.61 (1.1-0.49) |0.5 (1.1-0.6) |
|4 |0.73 (1.24-0.51) |0.54 (1.24-0.7) |
|5 |0.2 (0.7-0.5) |0 (0.7-0.7) |
Working Hour
Dobbie: 8*24*30=5760 hours Regular: 30*24*30=21600 hours
Hour per yard
|Fabric |Dobbie |Regular |
|1 |1/4.63=0.216 | / |
|2 |1/4.63=0.216 | / |
|3 |1/5.23=0.19 | 0.19 |
|4 |1/5.23=0.19 | 0.19 |
|5 |1/4.17=0.24 | 0.24 |
Objective Function
Max Profit
Max 0.33X1+0.31X2+0.61X3+0.73X4+0.2X5+0.61X6+0.73X7+0.2X8+0.19X9+0.16X10+0.5X11+0.54X12+0X13
S.T.
X1+X9=16500
X2+X10=22000
X3+X6+X11=62000
X4+X7+X12=7500
X5+X8+13=62000
0.216X1+0.216X2+0.191X3+0.19X4+0.24X5≦5760
0.19X6+0.19X7+0.24X8≦21600
X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X12, X13≧0
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Project Contribution to Profit
Objective Function=62548.860
X1=4666.67, X2=22000, X3=0, X4=0, X5=0, X6=27868.421, X7=7500, X8=62000, X9=11833.333, X10=0, X11=34131.579, X12=0, X13=0
So it means Yards of fabric 1 on dobbie loom is 4666.67; Yards of fabric 2 on dobbie loom is 22000; Yards of fabric 3 on dobbie loom is 0; Yards of fabric 4 on dobbie loom is 0; Yards of fabric 5 on dobbie loom is 0; Yards of fabric 3 on