OPER 2235- Midterm Exam Guide - Comprehensive Notes for the exam ( 14 pages long!)
12 Oct 2017
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Terms: slack, less than constraints, amount of unused resources, surplus, greater than constraints, exceed maximum, alternative optimal solutions, when constraints have the same slope as optimal equation, excel is not very helpful, will pick any corner point. Sensitivity analysis (1 question: lp fill in the blank, read excel reports + answer qs, similar to problem 4 in practice final, apply concept of shadow price, range of optimality, range of feasibility. Xi = # of units of bricks shipped. Min z = 24x11 + 30x12 + 40x13 +30x21 + 40x22 + 42x23. One unit goes from each origin node to each destination node. Abc contractors (only one contractor per project) Xij: #subcontractors from origin i to node j. Min z = 50x11 + 36x12 + 16x13 . X11 + x21 + x31 + x41 = 1. Min z = 5x13 + 8x14 + 7x23 + 4x24 + 1x35 + 5x36 +8x37 + 3x45 +4x46 +4x47.
