LP problem mask and QUBO Reformulation

solvers/cplex/mip/mip.py

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+import argparse
+import cplex
+import sys
+
+parser = argparse.ArgumentParser(
+    description="Solve a MIP problem from an MPS file using IBM CPLEX."
+)
+parser.add_argument("input_file", help="Path to the input MPS file.")
+parser.add_argument("output_file", help="Path to write the solution.")
+args = parser.parse_args()
+
+try:
+    cpx = cplex.Cplex()
+    cpx.read(args.input_file)
+except cplex.exceptions.CplexError as exc:
+    print("Error reading the MPS file:", exc)
+    sys.exit(1)
+
+
+try:
+    cpx.solve()
+except cplex.exceptions.CplexError as exc:
+    print("Error during solve:", exc)
+    sys.exit(1)
+
+status = cpx.solution.get_status()
+with open(args.output_file, 'w') as out_file:
+    out_file.write("Solution status: {}\n".format(cpx.solution.get_status_string()))
+    out_file.write("Objective value = {}\n".format(cpx.solution.get_objective_value()))
+    var_names = cpx.variables.get_names()
+    var_values = cpx.solution.get_values()
+    for name, val in zip(var_names, var_values):
+        out_file.write("{:<15} = {}\n".format(name, val))
+print("Solution written to", args.output_file)

solvers/cplex/mip/requirements.txt

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+cplex

solvers/gams/mip/LICENSE.txt

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+MIT License
+
+Copyright (c) 2024 GAMS Software GmbH <support@gams.com>
+Copyright (c) 2024 GAMS Development Corp. <support@gams.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.