Python API Examples¶

This section lists a few examples in Python. These are the same files that can be found in the examples directory of the distribution, and show the basic usage of the Python API.

Example 1: First steps¶

first_example.py

This example shows how to

read an AMPL model
reassign values to parameters
solve the model
display the objective function value

Example 2: Get and set AMPL options¶

options_example.py

This example shows how to:

get and set AMPL options

Example 3: Assign all data to a model and solve it¶

diet_model.py

This example shows how to:

Assign all the data necessary to generate a model instance programmatically

Example 4: Build an efficient frontier¶

efficient_frontier.py

This example shows how to:

build an efficient frontier by repeteatly solve a portfolio problem in AMPL

Example 5: Simple heuristic¶

tracking_model.py

This example shows how to:

Do a simple heuristics for solving a QMIP problem, using the relaxed solution as a hint

AMPLException