Forward–backward algorithm: Difference between revisions

Revision as of 22:31, 14 April 2018

Revision as of 23:22, 28 April 2018

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==Example ==

This example takes as its basis the umbrella world in [[#RussellNorvig10|Russell & Norvig 2010 Chapter 15 pp. 566567]] in which we would like to infer the weather given observation of aanother manperson either carrying or not carrying an umbrella. We assume two possible states for the weather: state 1 = rain, state 2 = no rain. We assume that the weather has a 70% chance of staying the same each day and a 30% chance of changing. The transition probabilities are then:

:<math>\mathbf{T} = \begin{pmatrix}