Question
A department has five employees with five jobs to be performed. The time (in hours) each employee will take to perform each job is given in the following matrix. How should the jobs be allocated, one per employee, so as to minimize the total man hours?
b) For the following pay-off matrix, transform the zero-sum game into an equivalent linear programming problem:
Answer :
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### (a) Assignment Problem (Minimize Total Man-Hours) Jobs (A,B,C,D,E) must be assigned one-to-one to Employees (I,II,III,IV,V). Time matrix (hours): | Job \ Emp | I | II | III | IV | V | | --------- | -- | -- | --- | -- | -- | | A | 10 | 5 | 13 | 15 | 16 | | B | 3 | 9 | 18 | 13 | 6 | | C | 10 | 7 | 2 | 2 | 2 | | D | 7 | 11 | 9 | 7 | 12 | | E | 7 | 9 | 10 | 4 | 12 | Applying the Hungarian method (row/column reductions and optimal zero selection), the optimal assignment is: | Job | Assigned Employee | Time (hours) | | ----- | ----------------- | ------------ | | A | II | 5 | | B | I | 3 | | C | III | 2 | | D
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