Scottsville Textile Mill Case

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Scottsville Textile Mill Case 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…show more content…
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 [pic] [pic] 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 regular loom is 27868.421; Yards of fabric 4 on regular loom is 7500; Yards of fabric 5 on regular loom is 62000; Yards of fabric 1 purchased is 11833.333; Yards of fabric 2 purchased is 0; Yards of fabric 3 purchased is 34131.579; Yards of fabric 4 purchased is 0; Yards of fabric 5 purchased is 0. Additional loom time If there is a ninth dobbie loom, the total work hours will be 6480 (9*24*30=6480), still in the range of [4756, 8316], so the optimal solution is the same. So the new objective function is 62548.86+0.648*(6480-5760) =63015.42 Objective Coefficient range Yards of fabric 1 on dobbie loom [0.315, 0.34] Yards of fabric 2 on dobbie loom [0.3, unlimited] Yards of fabric 3 on dobbie loom [unlimited, 0,624] Yards of fabric 4 on dobbie loom [unlimited, 0.714] Yards

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