egttools.behaviors.NormalForm.TwoActions.GRIM

class GRIM(self: egttools.numerical.numerical_.behaviors.NormalForm.TwoActions.GRIM)

Bases: AbstractNFGStrategy

Grim Trigger: cooperate until the opponent defects once, then defect forever.

Methods

get_action	Return the action chosen by the strategy.
is_stochastic	Return whether the strategy is stochastic.
type	Return the strategy type.

__init__(self: egttools.numerical.numerical_.behaviors.NormalForm.TwoActions.GRIM) → None

__new__(**kwargs)

get_action(self: egttools.numerical.numerical_.behaviors.NormalForm.TwoActions.GRIM, time_step: SupportsInt | SupportsIndex, action_prev: SupportsInt | SupportsIndex) → int

Return the action chosen by the strategy.

Parameters:

• time_step (int) – Current round.

• action_prev (int) – Previous action of the opponent.

Returns:

Action selected by the strategy.

Return type:

int

is_stochastic(self: egttools.numerical.numerical_.behaviors.NormalForm.TwoActions.GRIM) → bool

Return whether the strategy is stochastic.

type(self: egttools.numerical.numerical_.behaviors.NormalForm.TwoActions.GRIM) → str

Return the strategy type.

__annotations__ = {}