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Production Planning

The document describes an optimization problem with 3 decision variables representing the number of days 3 mines operate. Mine 1 has an operating cost of 20 and solution mix of 2. Mine 2 has costs of 22 and 7. The objective is to maximize 284 subject to constraints on high and low grade outputs and days the mines operate.

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Vikas Upadhyay
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28 views2 pages

Production Planning

The document describes an optimization problem with 3 decision variables representing the number of days 3 mines operate. Mine 1 has an operating cost of 20 and solution mix of 2. Mine 2 has costs of 22 and 7. The objective is to maximize 284 subject to constraints on high and low grade outputs and days the mines operate.

Uploaded by

Vikas Upadhyay
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as XLSX, PDF, TXT or read online on Scribd
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Decision Variable X1(# days mine 1 operates) X2(# days mine 2 operates)

Operating Cost 20 22
Solution Mix 2 7
Objective function 284

Subject to
High Grades 4 6
Low Grades 4 4
Days mine 1 open 1
Days mine 2 open 1
Days mine 3 open
X3(# days mine 3 operates)
18
5

LHS Signs RHS


1 55 >= 54
6 66 >= 65
2 <= 7
7 <= 7
1 5 <= 7

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