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mba assignments answers of mb0048 Q1. Discuss the methodology of Operations Research. Explain in brief the phases of Operations Research.

AnswerChurchman, Aackoff, and Aruoff defined operations research as “the application of scientific methods, techniques and tools to the operation of a system with optimum solutions to the problems” where 'optimum' refers to the best possible alternative.

Operations Research is a systematic and scientific study of the
operations of the system. It provides executives and managers a quantitative basis for taking decisions regarding the operations under their control.

Operations Research Methodology

The basic dominant characteristic feature of operations research is that it employs mathematical representations or models to analyse problems. This distinct approach represents an adaptation of the scientific methodology used by the physical sciences. The scientific method translates a given problem into a mathematical representation which is solved and retransformed into the original context.

Definition

The first and the most important step in the OR approach of problem solving is to define the problem.

Construction

Based on the problem definition, you need to identify and select the most appropriate model to represent the system.

Solution

After deciding on an appropriate model, you need to develop a solution for the model and interpret the solution in the context of the given problem.

Validation

A model is a good representation of a system. However, the optimal solution must work towards improving the system’s performance. You can test the validity of a model by comparing its performance with some past data available from the actual system.

Implementation

You need to apply the optimal solution obtained from the model to the system and note the improvement in the performance of the system. You need to validate this performance check under changing conditions.

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