amplpy

AMPL - solve multiple models in parallel

multiproc.ipynb Open In Colab Kaggle Gradient Open In SageMaker Studio Lab
Description: Solve multiple AMPL models in parallel in Python with amplpy and the multiprocessing modules.
Tags: ampl, python, amplpy, multiprocess, parallel-computing, stochastic-programming
Author: Nicolau Santos (3 notebooks) <nfbvs@ampl.com>

AMPL Bin Packing Problem with GCG

bpp.ipynb Open In Colab Kaggle Gradient Open In SageMaker Studio Lab
Description: Dantzig-Wolfe decomposition for Bin Packing Problem with GCG
Tags: gcg, bpp, amplpy, dantzig-wolfe-decomposition, branch-price-and-cut, highlights
Author: Jurgen Lentz (2 notebooks) <jurgenlentz26@gmail.com>

AMPL Capacitated p-Median Problem with GCG

cpmp.ipynb Open In Colab Kaggle Gradient Open In SageMaker Studio Lab
Description: Dantzig-Wolfe decomposition for Capacitated p-Median Problem with GCG
Tags: gcg, cpmp, amplpy, dantzig-wolfe-decomposition, branch-price-and-cut, highlights
Author: Jurgen Lentz (2 notebooks) <jurgenlentz26@gmail.com>

AMPL Christmas Model created by ChatGPT

christmas.ipynb Open In Colab Kaggle Gradient Open In SageMaker Studio Lab
Description: Christmas model generated by ChatGPT
Tags: christmas, chatgpt, amplpy, highlights
Author: Filipe Brandão (14 notebooks) <fdabrandao@gmail.com>

AMPL Model Colaboratory Template

colab.ipynb Open In Colab Kaggle Gradient Open In SageMaker Studio Lab
Description: Basic notebook template for the AMPL Colab repository
Tags: amplpy, template, highlights
Author: Filipe Brandão (14 notebooks) <fdabrandao@gmail.com>

Diet model with Google Sheets

gspread.ipynb Open In Colab
Description: Diet model using Google Sheets
Tags: amplpy, google-sheets, example
Author: Filipe Brandão (14 notebooks) <fdabrandao@gmail.com>

Dynamic routing example

Dynamic_routing_example.ipynb Open In Colab Kaggle Gradient Open In SageMaker Studio Lab
Description: Example of interactive optimization with GUI using AMPL and Google Maps
Tags: amplpy, gui
Author: Christian Valente (4 notebooks) <christian.valente@gmail.com>

Efficient Frontier with Google Sheets

efficient_frontier.ipynb Open In Colab
Description: Efficient Frontier example using Google Sheets
Tags: amplpy, google-sheets, finance
Author: Christian Valente (4 notebooks) <christian.valente@gmail.com>

Employee Scheduling Optimization

Employee_Scheduling.ipynb Open In Colab Kaggle Gradient Open In SageMaker Studio Lab
Description: Employee scheduling model from the Analytical Decision Modeling course at the Arizona State University.
Tags: educational, milp, scheduling, amplpy, gurobi, highs
Author: Yimin Wang (2 notebooks) <yimin_wang@asu.edu>, Marcos Dominguez Velad (17 notebooks) <marcos@ampl.com>

Financial Portfolio Optimization with amplpy

amplpyfinance_vs_amplpy.ipynb Open In Colab Kaggle Gradient Open In SageMaker Studio Lab
Description: Financial Portfolio Optimization with amplpy and amplpyfinance
Tags: amplpy, amplpyfinance, finance
Author: Filipe Brandão (14 notebooks) <fdabrandao@gmail.com>

Google Hashcode 2022

practice_problem.ipynb Open In Colab Kaggle Gradient Open In SageMaker Studio Lab
Description: Google Hashcode 2022 Practice Problem
Tags: amplpy, heuristics, engineering, scheduling, complexity
Author: Marcos Dominguez Velad (17 notebooks) <marcos@ampl.com>

Hospitals-Residents MIP

hospitals_residents.ipynb Open In Colab Kaggle Gradient Open In SageMaker Studio Lab
Description: hospitals-residents problem with ties problem solved with ampl and highs
Tags: amplpy, assignment, mip, data-structures, graphs
Author: Marcos Dominguez Velad (17 notebooks) <marcos@ampl.com>

Hydrothermal Scheduling Problem with Conic Programming

hydrothermal.ipynb Open In Colab Kaggle Gradient Open In SageMaker Studio Lab
Description: Hydrothermal Scheduling Problem using Second-Order Cones
Tags: amplpy, conic, second-order-cone, quadratic-cone, nonlinear-programming, scheduling, engineering, power-generation, geothermal-energy, hydropower
Author: Gleb Belov (6 notebooks) <gleb@ampl.com>

Jupyter Notebook Integration

magics.ipynb Open In Colab Kaggle Gradient Open In SageMaker Studio Lab
Description: Jupyter Notebook Integration with amplpy
Tags: amplpy, example
Author: Filipe Brandão (14 notebooks) <fdabrandao@gmail.com>

Largest small polygon

largest_small_polygon.ipynb Open In Colab Kaggle Gradient Open In SageMaker Studio Lab
Description: lecture about models for the Largest Small Polygon Problem
Tags: geometry, non-linear, amplpy, ipopt, educational
Author: Marcos Dominguez Velad (17 notebooks) <marcos@ampl.com>

Logistic Regression with amplpy

logistic_regression.ipynb Open In Colab Kaggle Gradient Open In SageMaker Studio Lab
Description: Logistic regression with amplpy using exponential cones
Tags: highlights, amplpy, regression, sigmoid, softplus, log-sum-exp, classifier, regularization, machine-learning, conic, exponential-cone, second-order-cone, quadratic-cone, formulation-comparison
Author: Gleb Belov (6 notebooks) <gleb@ampl.com>, Filipe Brandão (14 notebooks) <fdabrandao@gmail.com>

N-Queens

nqueens.ipynb Open In Colab Kaggle Gradient Open In SageMaker Studio Lab
Description: How can N queens be placed on an NxN chessboard so that no two of them attack each other?
Tags: amplpy, constraint-programming, highlights
Author: Gleb Belov (6 notebooks) <gleb@ampl.com>

NFL Team Rating

NFL_Team_Rating.ipynb Open In Colab Kaggle Gradient Open In SageMaker Studio Lab
Description: NFL Team Rating problem from the Analytical Decision Modeling course at the Arizona State University.
Tags: educational, quadratic, amplpy, gurobi
Author: Yimin Wang (2 notebooks) <yimin_wang@asu.edu>, Marcos Dominguez Velad (17 notebooks) <marcos@ampl.com>

Optimization Methods in Finance: Chapter 3

finance_opt_example_3_1.ipynb Open In Colab Kaggle Gradient Open In SageMaker Studio Lab
Description: Optimization Methods in Finance: Bond Dedication Problem.
Tags: amplpy, example, finance
Author: Marcos Dominguez Velad (17 notebooks) <marcos@ampl.com>

Pattern Enumeration

pattern_enumeration.ipynb Open In Colab Kaggle Gradient Open In SageMaker Studio Lab
Description: Pattern enumeration example with amplpy
Tags: amplpy, example
Author: Filipe Brandão (14 notebooks) <fdabrandao@gmail.com>

Pattern Generation

pattern_generation.ipynb Open In Colab Kaggle Gradient Open In SageMaker Studio Lab
Description: Pattern generation example with amplpy
Tags: amplpy, example
Author: Filipe Brandão (14 notebooks) <fdabrandao@gmail.com>

Quick Start using Pandas dataframes

pandasdiet.ipynb Open In Colab Kaggle Gradient Open In SageMaker Studio Lab
Description: Quick Start using Pandas dataframes to load and retrieve data
Tags: amplpy, quick-start, pandas, highlights
Author: Filipe Brandão (14 notebooks) <fdabrandao@gmail.com>

Quick Start using lists and dictionaries

nativediet.ipynb Open In Colab Kaggle Gradient Open In SageMaker Studio Lab
Description: Quick Start using lists and dictionaries to load and retrieve data
Tags: amplpy, quick-start, highlights
Author: Filipe Brandão (14 notebooks) <fdabrandao@gmail.com>

Roll Cutting - Revision 1 & 2

pattern_tradeoff.ipynb Open In Colab Kaggle Gradient Open In SageMaker Studio Lab
Description: Pattern tradeoff example with amplpy
Tags: amplpy, example
Author: Filipe Brandão (14 notebooks) <fdabrandao@gmail.com>

Simple sudoku solver using logical constraints (with GUI)

sudoku.ipynb Open In Colab Kaggle Gradient Open In SageMaker Studio Lab
Description: Simple sudoku model with two formulations: as a Constraint Programming problem using the alldiff operator and as a MIP. Note that the CP formulation is more natural but it needs a solver supporting logical constraints or a MIP solver with automatic reformulation support (see [here](https://amplmp.readthedocs.io/) for more information).
Tags: amplpy, constraint-programming, gui, highlights
Author: Christian Valente (4 notebooks) <christian.valente@gmail.com>

Solving simple stochastic optimization problems with AMPL

newsvendor.ipynb Open In Colab Kaggle Gradient Open In SageMaker Studio Lab
Description: Examples of the Sample Average Approximation method and risk measures in AMPL
Tags: ampl, amplpy, stochastic-optimization, sample-average-approximation, risk-measures
Author: Nicolau Santos (3 notebooks) <nfbvs@ampl.com>

Sudoku Generator

sudoku_gen.ipynb Open In Colab Kaggle Gradient Open In SageMaker Studio Lab
Description: Generate Sudoku boards with unique solution via iterative method and mip formulation.
Tags: mip, heuristics, puzzles, amplpy
Author: Marcos Dominguez Velad (17 notebooks) <marcos@ampl.com>

Unit Commitment for Electrical Power Generation

unit_commitment.ipynb Open In Colab Kaggle Gradient Open In SageMaker Studio Lab
Description: This notebook illustrates the power generation problem using AMPL. The original version featured the Gurobi solver. By default, this notebook uses the HiGHS and CBC solvers.
Tags: amplpy, energy, power-generation, unit-commitment
Author: Gyorgy Matyasfalvi (4 notebooks) <gyorgy@ampl.com>

amplpy setup & Quick Start

quickstart.ipynb Open In Colab Kaggle Gradient Open In SageMaker Studio Lab
Description: amplpy setup and quick start
Tags: amplpy, example
Author: Filipe Brandão (14 notebooks) <fdabrandao@gmail.com>

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