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Equilibrium Point

An equilibrium point in game theory is a set of strategies {x^^_1,...,x^^_n} such that the ith payoff function K_i(x) is larger or equal for any other ith strategy, i.e.,

K_i(x^^_1,...,x^^_n)>=K_i(x^^_1,...,x^^_(i-1),x_i,x^^_(i+1),...,x^^_n).

See

Nash Equilibrium

Cite this as:

Weisstein, Eric W. "Equilibrium Point." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/EquilibriumPoint.html