Meaning of Degeneracy and Infeasibility in LPP
Meaning of Degeneracy and Infeasibility in LPP.(Apr 2002) Degeneracy: Degeneracy occurs in two cases. 1] When one or more of basic variables has ZERO...
Operations Research
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What is Regret matrix?
The Assignment problem can be of Minimization type or Maximization type. A Minimization Assignment problem involves cost, time or distance data. The objective of solution...
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Numericals on Unbalanced Assignment Model
(Unbalanced) 1. A company has 4 machines to do 3 jobs. Each job can be assigned to only one machine. The cost of each...
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What is Simplex Method?
Simplex Method : When the number of variables and/or the number of constraints increases, it becomes difficult to visualize the feasible region and construct graph....
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Numericals on Decision Theory
1. For the pay – off matrix given below, find best course of action using : (i) EMV criterion (ii) EOL criterion (iii) Maximin...
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Numericals on C.P.M.
(C.P.M.) 1. For the following project : (i) Draw network diagram. (ii) Find critical path and project completion time. (iii) Identify critical and non –...
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Major steps in formulation of LPP
Major steps in formulation of LPP. (Oct 2004) Formulation of LPP involves basically three steps- Identification of decision variables. (X1, X2, etc.) Decision variables...
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PERT COST
Direct costs: Cost of raw materials, labour, power, direct OH etc. Indirect Costs: Cost of supervision, project administration, office expenditure, penalty for delay in project...
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What are the conventions for drawing networks?
CONVENTIONS FOR DRAWING NETWORKS : (a) Networks proceeds from left to right. (b) Networks are not drawn to scale i.e. the length of the arrow...
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What is multiple optimal solution in assignment problem?
An assignment problem can have more than one possible combination of assignments, it is known as multiple optimal solution. But all possible combination have same...
