Archive | Operations Research

Essay on Transportation Problem| Operations Research | Linear Programming

After reading this essay you will learn about:- 1. Meaning of Transportation Problem 2. General Structure of the Transportation Problem 3. Linear Programming Formulation 4. Solution Procedure 5. Method for Finding Initial Basic Feasible Solution. Essay on the Meaning of Transportation Problem: The transportation problems deals with the transportation of product manufactured at different plants or factories (supply origins) to [...]

By |2017-03-21T08:40:02+05:30March 21, 2017|Operations Research|Comments Off on Essay on Transportation Problem| Operations Research | Linear Programming
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Trans-Shipment Problems: Meaning and Characteristics | Operations Research

After reading this article you will learn about:- 1. Meaning of Trans-Shipment Problems 2. Main Characteristics of Trans-Shipment Problems 3. Solution. Meaning of Trans-Shipment Problems: In a transportation problem shipment of commodity takes place among sources and destinations. But instead of direct shipments to destination, the commodity can be transported to a particular destination through one or more intermediate or [...]

By |2017-03-21T08:37:29+05:30March 21, 2017|Operations Research|Comments Off on Trans-Shipment Problems: Meaning and Characteristics | Operations Research
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Degeneracy in Transportation Problem (With Examples) | Operations Research

Degeneracy in transportation problem occurs in two ways: 1. Resolution of Degeneracy During the Initial Stage 2. Degeneracy at Subsequent Interactions. 1. Resolution of Degeneracy During the Initial Stage: To resolve degeneracy, we proceed by allocating a small quantity close to zero to one or more (if needed) unoccupied cells so as to get m + n - 1. The [...]

By |2017-03-21T08:37:29+05:30March 21, 2017|Operations Research|Comments Off on Degeneracy in Transportation Problem (With Examples) | Operations Research
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Testing the Optimality of Transportation Solution | Operations Research

This article throws light upon the top two methods used for testing the optimality of transportation solution. The methods are: 1. Stepping Stone Method 2. Modified Distribution (MODI) Method. 1. Stepping Stone Method: This method content following steps: Step (1): Determine an initial basic feasible solution using any of the three methods discussed earlier. Step (2): Make sure that the [...]

By |2017-03-21T08:37:29+05:30March 21, 2017|Operations Research|Comments Off on Testing the Optimality of Transportation Solution | Operations Research
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Balanced and Unbalanced Transportation Problem | Operations Research

After reading this article you will learn about balanced and unbalanced transportation problem. Balanced Transportation Problem: For a transportation problem: Minimise z =  Subjected to constraints x11 for all i and j is said to be balanced transportation problem when total supply from all the sources is equal to the total demand in all destinations, otherwise, problem is said to [...]

By |2017-03-21T08:37:28+05:30March 21, 2017|Operations Research|Comments Off on Balanced and Unbalanced Transportation Problem | Operations Research
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Assignment Problem: Meaning, Methods and Variations | Operations Research

After reading this article you will learn about:- 1. Meaning of Assignment Problem 2. Definition of Assignment Problem 3. Mathematical Formulation 4. Hungarian Method 5. Variations. Meaning of Assignment Problem: An assignment problem is a particular case of transportation problem where the objective is to assign a number of resources to an equal number of activities so as to minimise [...]

By |2017-03-21T08:37:28+05:30March 21, 2017|Operations Research|Comments Off on Assignment Problem: Meaning, Methods and Variations | Operations Research
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