(solution) Cab Company Scheduling let Di = # of drivers who start their 8

(solution) Cab Company Scheduling let Di = # of drivers who start their 8

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I have a assignment to be completed. Take a look and complete it by time given.

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Cab Company Scheduling
let Di = # of drivers who start their 8 hour shift in period I (I = 1,2,3,4,5,6)
period 1
12:00:00 AM–4:00am
period 4
12 noon — 4:00pm
period 2
4:00am — 8:00am
period 5
4:00pm — 8:00pm
period 3
8:00am — 12 noon
period 6
8:00pm — midnight average fare/ driver
# of drivers in each period period 1
80 period 2
500 period 3
420 period 4
300 period 5
270 period 6
210 >=
10 >=
12 >=
20 >=
25 >=
32 >=
18 minimum # of drivers DV
# of drivers/period Objective function D1 D2 D3 D4 D5 D6 profit
weight Denim Jeans
90 CD Player
150 Compact discs
30 2
Denim Jeans 3
CD Player 1
Compact discs <= 5 DV
Constraint
Objective function Texas Consolidated Electronics Company Project
1
2
3
4
5
6
7
8 Expense ($1,000s) Management
Scientists required
$50
105
56
45
90
80
78
60 6
8
9
3
7
5
8
5 <=
300 Estimated Profit
(1,000,000s) Project Selection
constraints $0.30
0.85
0.2
0.15
0.5
0.45
0.55
0.4 <=
40 Constraints DV Project
1
2
3
4
5
6
7
8 Objective Maximize Profits Please include the following constraints in your solutions
Note: project 5 >= project 2
Note: All projects must be integer (1 or 0) Mortgage Associates
Let P = # of permanent operators and T = # of temporary operators Decision variables objective function Temporary operator
75
140
1
0.9 P average pay/operator
daily # of accounts/per operator
#of computers available
average errors/ day Permanent operator
120
220
1
0.4 T >=
<=
<= 6300
32
15 Global Investment Capital
Year Sold
(Estimated returns in $ 1000000)
Company
1
2
3
1
14
18
23
2
9
11
15
3
18
23
27
4
16
21
25
5
12
16
22
6
21
23
28
constraints
1
1
2
3
4
5
6 2 3
<=
<=
<=
<=
<=
<= 1
1
1
1
1
1 Decision variables are C15:E20
this a 0-1 integer problem. Each decision variable has to be restricted to have the value 0 or 1
Objective function