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Handle non-convergence in Simplex method #14613

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Handle non-convergence in Simplex method #14613

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Handle non-convergence in Simplex method
aryanexe07 May 2, 2026
21b0795
Update simplex.py
aryanexe07 May 2, 2026
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6 changes: 5 additions & 1 deletion linear_programming/simplex.py
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Original file line number Diff line number Diff line change
Expand Up @@ -302,7 +302,11 @@ def run_simplex(self) -> dict[Any, Any]:
self.tableau = self.change_stage()
else:
self.tableau = self.pivot(row_idx, col_idx)
return {}
message = (
f"Simplex did not converge within {Tableau.maxiter} iterations. "
"The problem may be cycling or unbounded."
)
raise ValueError(message)

def interpret_tableau(self) -> dict[str, float]:
"""Given the final tableau, add the corresponding values of the basic
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