Linear Programming and Game Theory 2 (AQA A-Level Further Maths): Flashcards
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Zero-sum game definition
Zero-sum game definition
One player's gain equals other's loss; total payoff sums to zero
Pay-off matrix shows
Pay-off matrix shows
Outcomes from row player's (player A's) perspective
Row player's play-safe strategy (maximin)
Row player's play-safe strategy (maximin)
Maximum of row minima
Column player's play-safe strategy (minimax)
Column player's play-safe strategy (minimax)
Minimum of column maxima
Stable solution condition for pure strategy
Stable solution condition for pure strategy
Max of row minima = min of column maxima
Expected payoff formula
Expected payoff formula
where
If pay-off matrix has negative entries
If pay-off matrix has negative entries
Add constant to all entries to make non-negative
After solving LP, must do this to get true game value
After solving LP, must do this to get true game value
Subtract the constant added initially
Dominance in zero-sum games
Dominance in zero-sum games
Row/column with all better entries can eliminate another
Objective function in LP for zero-sum game
Objective function in LP for zero-sum game
Maximise where is value of game
