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FIX (game_theory): fix polym_lcp_solver type hints in howson_lcp #824

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Merged
mmcky merged 6 commits into from
Feb 19, 2026
+10 −7
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FIX (game_theory): fix polym_lcp_solver type hints in howson_lcp #824

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9227e54
fix(game_thoery): correct polum_lcp_solver return type annotation
mnshkw Feb 13, 2026
208a612
fix(game_thoery): add missing comma in polym_lcp_solver return type a…
mnshkw Feb 13, 2026
ed81dbe
fix(game_theory): correct nesting of NashResult in return type hint
mnshkw Feb 16, 2026
2d313f5
fix(game_theory): Fix polym_lcp_solver docstring return description
oyamad Feb 17, 2026
1ffd756
Fix typo in docstring for NashResult
mnshkw Feb 17, 2026
e0d5c39
DOC: align polym_lcp_solver Returns docstring with solver conventions
mmcky Feb 19, 2026
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17 changes: 10 additions & 7 deletions quantecon/game_theory/howson_lcp.py
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Original file line number Diff line number Diff line change
Expand Up @@ -38,7 +38,7 @@ def polym_lcp_solver(
starting_player_actions: Optional[Sequence[int]] = None,
max_iter: int = -1,
full_output: bool = False,
) -> Union[tuple[NDArray], NashResult]:
) -> Union[tuple[NDArray, ...], tuple[tuple[NDArray, ...], NashResult]]:
"""
Finds a Nash Equilbrium of a Polymatrix Game.

Expand Down Expand Up @@ -66,12 +66,15 @@ def polym_lcp_solver(

Returns
-------
tuple(ndarray(float, ndim=1)) or NashResult
The mixed actions at termination, a Nash Equilibrium if
not stopped early by reaching `max_iter`. If `full_output`,
then the number of iterations, whether it has converged,
and the initial conditions of the algorithm are included
in the returned `NashResult` alongside the actions.
NE : tuple(ndarray(float, ndim=1))
Tuple of computed Nash equilibrium mixed actions. A Nash
Equilibrium if not stopped early by reaching `max_iter`.

res : NashResult
Object containing information about the computation: the number
of iterations, whether it has converged, and the initial
conditions of the algorithm. Returned only when `full_output`
is True. See `NashResult` for details.

References
----------
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