FICO Xpress Optimization Examples Repository: Basic embedding tasks

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Basic embedding tasks

Description

ugcomp.py: Compiling a model into a BIM file (requires burglar2.mos, burglar.dat)
ugarray.py: Accessing modeling objects: sparse arrays (requires transportp.mos, transprt.dat)
ugcb.py: Retrieve model output via a callback (requires burglar2.mos, burglar.dat)
ugparam.py: Passing parameters to a Mosel model (requires prime.mos)
ugsol.py: Accessing modeling objects and solution information (requires burglar3p.mos, burglar.dat)

Difficulty rating: 2 (easy-medium)

ugpython.zip

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Source Files

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ugcomp.py	[download]
ugarray.py	[download]
ugcb.py	[download]
ugsol.py	[download]
ugparam.py	[download]
burglar2.mos	[download]
transportp.mos	[download]
prime.mos	[download]
burglar3p.mos	[download]

Data Files

burglar.dat	[download]
transprt.dat	[download]

ugparam.py

#######################################################
#  Mosel User Guide Example Problems
#  =================================
#
#  file ugparam.py
#  ```````````````
#  Passing parameters and accessing sets from Python.
#
#  (c) 2026 Fair Isaac Corporation
#      author: B. Vieira, 2026
########################################################

import moselpy as mp

LIM = 500

mp.compile_model("prime.mos", "prime.bim")
model = mp.load_model("prime.bim")

model.run(exec_params={"LIMIT": LIM})

print(f"'prime' returned: {model.exit_code}")

s_prime = model.find_identifier("SPrime")   # Returns a Python set

if s_prime:
    print(f"Prime numbers from 2 to {LIM}")
    print(" " + ", ".join(str(p) for p in sorted(s_prime)))