An Introduction to Utility Theory - Game AI Pro

113An Introduction to Utility TheoryDavid Rez IntroductionDecision making forms the core of any AI system. There are many different approaches to decision making, several of which are discussed in other chapters in this book. One of the most robust and powerful systems we ve encountered is a Utility -based system. The general concept of a Utility -based system is that every possible action is scored at once and one of the top scoring actions is chosen. By itself, this is a very simple and straightforward approach. In this article, we ll talk about common techniques, best practices, pitfalls to avoid, and how you can best apply Utility Theory to your UtilityUtility Theory is a concept that s been around long before games or even computers. It has been used in game Theory , economics, and numerous other fields. The core idea behind Utility Theory is that every possible action or state within a given model can be described with a single, uniform value.

avoid, and how you can best apply utility theory to your AI. 9.2 Utility Utility theory is a concept that’s been around long before games or even computers. It has been used in game theory, economics, and numerous other fields. The core idea behind utility theory is that every possible action or state within a given model can be described

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