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### Transportation Modelling and Analytics – Lesson Summary

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TRANSPORTATION MODELLING
Transportation modelling is an integral part of supply chain management and supply chain modelling and analytics.
The following are the various techniques available for Transportation Modelling:

Total Cost Model
Max-Min and Min-Max Model
Maximum Flow Model
Shortest Path Model
Minimal Spanning Tree Model

TOTAL COST MODEL

The essence of total cost analysis is to identify all relevant costs over the entire life of a product system or project. These costs are then summed to calculate the total cost of a decision.
MAX-MIN and MIN-MAX MODEL
Min-Max is a way of organizing inventory replenishment using the following simple calculation: Min value is the order point while Max is the quantity of the goods we need. Subtracting Min from Max we get the reorder quantity.The Max-Min problem is similar to the min-max problem but it seeks to maximize the minimum of all available options.
MAXIMUM FLOW MODEL
It is defined as the maximum amount of flow that the network would allow to flow from source to sink.
SHORTEST PATH MODEL
The shortest path problem is the problem of finding a path between two nodes in a network such that the sum of the weights of its constituent edges is minimized.
MINIMAL SPANNING TREE MODEL
A minimum spanning tree is a special kind of tree that minimizes the lengths of the edges of the tree. An example is a cable company wanting to lay line to multiple neighbourhoods; by minimizing the amount of cable laid, the cable company will save money.