gambit-ipa reads a game on standard input and computes Nash equilibria using an iterated polymatrix approximation approach developed by Govindan and Wilson [GovWil04]. This program is a wrapper around the Gametracer 0.2 implementation by Ben Blum and Christian Shelton.
gambit-ipa
-d
Express all output using decimal representations with the specified number of digits.
-h
Prints a help message listing the available options.
-q
Suppresses printing of the banner at program launch.
Computing an equilibrium of e02.nfg <../contrib/games/e02.nfg>, the reduced strategic form of the example in Figure 2 of Selten (International Journal of Game Theory, 1975):
$ gambit-ipa e02.nfg
Compute Nash equilibria using iterated polymatrix approximation
Gametracer version 0.2, Copyright (C) 2002, Ben Blum and Christian Shelton
Gambit version 16.1.0, Copyright (C) 1994-2023, The Gambit Project
This is free software, distributed under the GNU GPL
NE,1.000000,0.000000,0.000000,1.000000,0.000000Note
This is an experimental program and has not been extensively tested.
gambit-gnm.