What Is a Game Theory in Linear Algebra?


Martha Robinson

Game theory is a branch of mathematics that deals with the study of strategic decision making. It is widely used in various fields such as economics, political science, biology, and computer science. In linear algebra, game theory is used to analyze the behavior of players in games involving two or more players.

What Is Game Theory?

Game theory is the study of strategic decision-making in situations where two or more individuals or groups are involved. It aims to understand how individuals or groups make decisions and how these decisions affect each other’s outcomes. In game theory, players are assumed to be rational and aim to maximize their payoffs.

Types of Games in Game Theory

In game theory, there are two types of games: cooperative and non-cooperative games. In cooperative games, players work together to achieve a common goal. In non-cooperative games, players act independently and do not coordinate their actions with each other.

Matrix Games in Game Theory

Matrix games are a type of non-cooperative game where players choose actions simultaneously without any knowledge of the other player’s choice. The outcome of the game depends on the combination of choices made by all players.

In matrix games, the outcome is represented by a matrix where each row represents the actions taken by one player and each column represents the actions taken by another player. The intersection point between rows and columns represents the outcome for both players.

Using Linear Algebra in Game Theory

Linear algebra plays an important role in game theory as it provides a framework for analyzing complex situations involving multiple variables. Matrices are used to represent the strategies available to each player, while vectors represent the payoffs associated with each strategy.

The concept of Nash equilibrium is also an important application of linear algebra in game theory. It refers to a situation where no player can improve their payoff by changing their strategy while all other players keep their strategy constant.


In conclusion, game theory is a powerful tool for analyzing strategic decision-making in various fields. By using linear algebra, we can represent complex situations involving multiple players and variables in a simple and elegant way. With the help of game theory, we can better understand the behavior of individuals and groups and make informed decisions.