Replacement Models in Operation Research
In an organisation, replacement problems arise when fixed assets, such as machines, equipment and other tools, need to be replaced due to reduced efficiency, failure…
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29 July 2022
Simulation in Operation Research
Simulation is a representation of real-life situations. It is a method in which a replica of a real-world process or system is developed over a…
29 July 2022
Project Evaluation and Review Technique (PERT)
Introduction to Project Evaluation and Review Technique (PERT) The program Evaluation and Review Technique (PERT) model considers uncertainty in activity completion time. There are various…
29 July 2022
Project Network Analysis Methods
We already know that network analysis helps the project manager in estimating the time of completion of the project and represents the logical interrelation among…
28 July 2022
Project Network Analysis With Critical Path Method
For large businesses or manufacturing organisations, projects are divided into various stages or milestones. For example, a construction company is given a project of construction…
27 July 2022
Transportation Problem: Finding an Optimal Solution
The transportation problem is an important Linear Programming Problem (LPP). This problem depicts the transportation of goods from a group of sources to a group…
25 July 2022
Transportation Problem: Initial Basic Feasible Solution
Introduction to Transportation Problem As the need for goods and services increases globally, so does the importance of transportation. Transportation determines the profits of businesses…
24 July 2022
Duality in Linear Programming
Soon after Dantzig presented the linear programming problem, John von Neumann presented the duality theorem for linear optimisation. In mathematical optimisation theory, principle of duality…
23 July 2022
Linear Programming: Artificial Variable Technique
When George Dantzig originally put forward the simplex method, it was limited only to LP problems having a known feasible solution, commonly called the initial…
22 July 2022
Linear Programming: Simplex Method
What is Simplex Method Linear Programming? The simplex method is an algorithm used to calculate the optimal solution to an LP problem. It is a…
22 July 2022
