operations-research | Topic | Ecosyste.ms: Repos

Topic: "operations-research"

google/or-tools

Google's Operations Research tools:

Language: C++ - Size: 1.21 GB - Last synced at: 5 days ago - Pushed at: 5 days ago - Stars: 11,821 - Forks: 2,200

Thinklab-SJTU/awesome-ml4co

Awesome machine learning for combinatorial optimization papers.

Language: Python - Size: 238 KB - Last synced at: 9 days ago - Pushed at: about 1 month ago - Stars: 1,842 - Forks: 214

The open source Solver AI for Java, Python and Kotlin to optimize scheduling and routing. Solve the vehicle routing problem, employee rostering, task assignment, maintenance scheduling and other planning problems.

Language: Java - Size: 252 MB - Last synced at: 7 days ago - Pushed at: 9 days ago - Stars: 1,302 - Forks: 121

microsoft/maro

Multi-Agent Resource Optimization (MARO) platform is an instance of Reinforcement Learning as a Service (RaaS) for real-world resource optimization problems.

Language: Python - Size: 110 MB - Last synced at: 6 days ago - Pushed at: about 1 year ago - Stars: 878 - Forks: 156

ai4co/rl4co

A PyTorch library for all things Reinforcement Learning (RL) for Combinatorial Optimization (CO)

Language: Python - Size: 155 MB - Last synced at: 9 days ago - Pushed at: 10 days ago - Stars: 550 - Forks: 96

N-Wouda/ALNS

Adaptive large neighbourhood search (and more!) in Python.

Language: Python - Size: 4.26 MB - Last synced at: 6 days ago - Pushed at: about 2 months ago - Stars: 504 - Forks: 133

d-krupke/cpsat-primer

The CP-SAT Primer: Using and Understanding Google OR-Tools' CP-SAT Solver

Language: Jupyter Notebook - Size: 21.9 MB - Last synced at: 8 days ago - Pushed at: 27 days ago - Stars: 455 - Forks: 40

ebrahimpichka/awesome-optimization

A curated list of mathematical optimization courses, lectures, books, notes, libraries, frameworks and software.

Size: 46.9 KB - Last synced at: 10 days ago - Pushed at: 4 months ago - Stars: 417 - Forks: 42

hubbs5/or-gym

Environments for OR and RL Research

Language: Python - Size: 24.4 MB - Last synced at: 18 days ago - Pushed at: over 1 year ago - Stars: 399 - Forks: 95

PyVRP/PyVRP

Open-source, state-of-the-art vehicle routing problem solver in an easy-to-use Python package.

Language: Python - Size: 11.7 MB - Last synced at: 8 days ago - Pushed at: 9 days ago - Stars: 391 - Forks: 66

TimefoldAI/timefold-quickstarts

Get started with Timefold quickstarts here. Optimize the vehicle routing problem, employee rostering, task assignment, maintenance scheduling and other planning problems.

Language: Java - Size: 27.9 MB - Last synced at: 11 days ago - Pushed at: 12 days ago - Stars: 345 - Forks: 96

apache/incubator-kie-optaplanner-quickstarts

OptaPlanner quick starts for AI optimization: many use cases shown in many different technologies.

Language: Java - Size: 7.43 MB - Last synced at: 4 days ago - Pushed at: 24 days ago - Stars: 327 - Forks: 159

KevinFasusi/supplychainpy

Supplychainpy is a Python library for supply chain analysis, modelling and simulation. The library assists a workflow that is reliant on Excel and VBA.

Language: JavaScript - Size: 74.1 MB - Last synced at: 2 days ago - Pushed at: over 2 years ago - Stars: 298 - Forks: 102

NVIDIA/cuopt-examples

NVIDIA cuOpt examples for decision optimization

Language: Jupyter Notebook - Size: 4.47 MB - Last synced at: 5 days ago - Pushed at: about 2 months ago - Stars: 277 - Forks: 37

ankane/or-tools-ruby

Operations research tools for Ruby

Language: Ruby - Size: 519 KB - Last synced at: 6 days ago - Pushed at: 2 months ago - Stars: 185 - Forks: 29

google/network-opt

A library for topological network optimization

Language: C++ - Size: 618 KB - Last synced at: 1 day ago - Pushed at: over 1 year ago - Stars: 151 - Forks: 17

emadehsan/csp

Algorithm for Cutting Stock Problem using Google OR-Tools. Link to the tool:

Language: Python - Size: 1.54 MB - Last synced at: 14 days ago - Pushed at: over 1 year ago - Stars: 147 - Forks: 39

ktafakkori/feloopy

FelooPy: Efficient & Feature-Rich Integrated Decision Environment

Language: Python - Size: 20.6 MB - Last synced at: 12 months ago - Pushed at: 12 months ago - Stars: 121 - Forks: 9

samirsaci/picking-route

Improve Warehouse Productivity using Order Batching

Language: Python - Size: 1.36 MB - Last synced at: 2 months ago - Pushed at: 2 months ago - Stars: 106 - Forks: 37

PyVRP/VRPLIB

Python package to read and write vehicle routing problem instances.

Language: Python - Size: 20.2 MB - Last synced at: 2 days ago - Pushed at: 6 months ago - Stars: 105 - Forks: 10

Cardinal-Operations/ORLM

ORLM: Training Large Language Models for Optimization Modeling

Language: Python - Size: 1.5 MB - Last synced at: 18 days ago - Pushed at: 18 days ago - Stars: 104 - Forks: 14

PetterS/monolith

A C++ monorepo for discrete and continuous optimization. Batteries included!

Language: Jupyter Notebook - Size: 62.4 MB - Last synced at: 17 days ago - Pushed at: about 1 year ago - Stars: 102 - Forks: 13

tanmoyie/Operations-Research-Theory

Some lecture notes of Operations Research (usually taught in Junior year of BS) can be found in this repository along with some Python programming codes to solve numerous problems of Optimization including Travelling Salesman, Minimum Spanning Tree and so on.

Language: Python - Size: 97 MB - Last synced at: almost 2 years ago - Pushed at: about 6 years ago - Stars: 95 - Forks: 50

LarrySnyder/stockpyl

Python inventory optimization and simulation tools.

Language: Python - Size: 16.9 MB - Last synced at: 10 months ago - Pushed at: 11 months ago - Stars: 92 - Forks: 19

chkwon/PyHygese

A Python wrapper for the Hybrid Genetic Search algorithm for Capacitated Vehicle Routing Problems (HGS-CVRP)

Language: Python - Size: 105 KB - Last synced at: 4 days ago - Pushed at: 21 days ago - Stars: 90 - Forks: 14

samirsaci/supply-chain-optimization

Supply Chain Optimization with Python

Language: Jupyter Notebook - Size: 55.7 KB - Last synced at: 3 months ago - Pushed at: 3 months ago - Stars: 86 - Forks: 30

torressa/cspy

A collection of algorithms for the (Resource) Constrained Shortest Path problem in Python / C++ / C#

Language: C++ - Size: 14.6 MB - Last synced at: 6 days ago - Pushed at: 10 months ago - Stars: 83 - Forks: 26

rodrigo-arenas/pyworkforce

Standard tools for workforce management, queuing, scheduling, rostering and optimization problems.

Language: Python - Size: 140 KB - Last synced at: 12 days ago - Pushed at: 8 months ago - Stars: 78 - Forks: 19

namkoong-lab/dro

A package of distributionally robust optimization (DRO) methods. Implemented via cvxpy and PyTorch

Language: Jupyter Notebook - Size: 20.9 MB - Last synced at: 6 days ago - Pushed at: 6 days ago - Stars: 71 - Forks: 5

LucaCappelletti94/lectures-notes

My latex notes on whatever I'm studying. All are available to the public, but please take them with a grain of salt and notify me in case of errors :)

Language: TeX - Size: 335 MB - Last synced at: 13 days ago - Pushed at: about 1 month ago - Stars: 67 - Forks: 17

bruscalia/optimization-demo-files

Examples on numerical optimization

Language: Jupyter Notebook - Size: 12.7 MB - Last synced at: 4 months ago - Pushed at: 4 months ago - Stars: 66 - Forks: 19

alberto-santini/adaptive-large-neighbourhood-search

ALNS header-only library (loosely) based on the original implementation by Stefan Ropke.

Language: C++ - Size: 65.4 KB - Last synced at: 7 days ago - Pushed at: 11 months ago - Stars: 66 - Forks: 33

ktnr/BinPacking2D

Exact solutions for two-dimensional bin packing problems by branch-and-cut

Language: Python - Size: 1.06 MB - Last synced at: 8 days ago - Pushed at: over 2 years ago - Stars: 64 - Forks: 9

lbiedma/shift-scheduling

Python Scripts that apply Operations Research (Mixed Integer Programming) to solve Shift Scheduling problems for workforces.

Language: Python - Size: 2.65 MB - Last synced at: 11 months ago - Pushed at: 11 months ago - Stars: 63 - Forks: 16

bokner/fixpoint

Constraint programming solver

Language: Elixir - Size: 4.14 MB - Last synced at: about 23 hours ago - Pushed at: 1 day ago - Stars: 59 - Forks: 0

yining043/TSP-improve

An improvement-based Deep Reinforcement Learning Algorithm presented in paper https://arxiv.org/abs/1912.05784v2 for solving the TSP problem.

Language: Jupyter Notebook - Size: 11.6 MB - Last synced at: about 2 years ago - Pushed at: over 2 years ago - Stars: 58 - Forks: 17

xgillard/ddo

DDO a generic and efficient framework for MDD-based optimization.

Language: Rust - Size: 15.5 MB - Last synced at: 12 months ago - Pushed at: about 1 year ago - Stars: 53 - Forks: 4

eltuck/Resources

A public bookmark bar. Resources for computation, operations research, academia, and more.

Size: 193 KB - Last synced at: about 2 years ago - Pushed at: over 3 years ago - Stars: 52 - Forks: 10

alberto-santini/cplex-example

Solving a TSP with the CPLEX C++ API.

Language: C++ - Size: 31.3 KB - Last synced at: 10 months ago - Pushed at: almost 5 years ago - Stars: 48 - Forks: 21

cssartori/pdptw-instances

Instances for the Pickup and Delivery Problem with Time Windows (PDPTW) based on open data

Language: JavaScript - Size: 8.31 MB - Last synced at: 15 days ago - Pushed at: 15 days ago - Stars: 46 - Forks: 11

umitkaanusta/Jomini

Historical battle simulation package for Python

Language: Python - Size: 36.1 KB - Last synced at: 2 days ago - Pushed at: over 4 years ago - Stars: 46 - Forks: 4

SimoneRichetti/VRPTW-Column-Generation

A solution to the VRPTW problem using the Column Generation algorithm. Implementation with Python using the Gurobi optimizer (license needed)

Language: Python - Size: 159 KB - Last synced at: about 2 years ago - Pushed at: about 3 years ago - Stars: 45 - Forks: 11

weiran-aitech/shift_schedule

Modelling and Solving Employee Shift Scheduling (Including Nurse Rostering) Problems Using Constraint Programming (Combination of Artificial Intelligence and Operations Research) and Software Engineering Technologies 应用约束规划(人工智能+运筹学)及软件工程技术建模和解决员工排班(包括护士排班)调度问题

Language: Python - Size: 11 MB - Last synced at: 7 days ago - Pushed at: 7 days ago - Stars: 38 - Forks: 4

PyJobShop/PyJobShop

Solve scheduling problems with constraint programming in Python.

Language: Python - Size: 1.39 MB - Last synced at: 8 days ago - Pushed at: 27 days ago - Stars: 38 - Forks: 5

Zhengzhong-You/RouteOpt

RouteOpt

Language: C++ - Size: 103 MB - Last synced at: 7 days ago - Pushed at: 7 days ago - Stars: 37 - Forks: 13

nl4opt/ORQA

[AAAI 2025] ORQA is a new QA benchmark designed to assess the reasoning capabilities of LLMs in a specialized technical domain of Operations Research. The benchmark evaluates whether LLMs can emulate the knowledge and reasoning skills of OR experts when presented with complex optimization modeling tasks.

Size: 2.48 MB - Last synced at: about 1 month ago - Pushed at: about 1 month ago - Stars: 37 - Forks: 0

alberto-santini/maritime-vrp

Branch-and-price solver for the Feeder Network Design Problem

Language: C++ - Size: 20.3 MB - Last synced at: 8 days ago - Pushed at: about 2 years ago - Stars: 35 - Forks: 21

radzionc/optimization

Optimization and Operations Research With Python

Language: Jupyter Notebook - Size: 188 KB - Last synced at: 13 days ago - Pushed at: over 4 years ago - Stars: 34 - Forks: 10

j2kun/lp-diet

Linear Programming Diet Experiments

Language: Python - Size: 1.88 MB - Last synced at: 18 days ago - Pushed at: almost 2 years ago - Stars: 33 - Forks: 6

giangstrider/scheduling-optimization-ortools

Using Google Operation Research Tools (Ortools) to solve complex scheduling problems (General optimization problems).

Language: Python - Size: 15.6 KB - Last synced at: about 1 year ago - Pushed at: over 4 years ago - Stars: 32 - Forks: 4

dirkschumacher/r-orms

R for Operations Research

Language: HTML - Size: 7.71 MB - Last synced at: 5 days ago - Pushed at: about 6 years ago - Stars: 32 - Forks: 6

YashBansod/Operations-Research

MATLAB implementation of all the Operations Research algorithms and problems solved by me.

Language: MATLAB - Size: 4.05 MB - Last synced at: 20 days ago - Pushed at: almost 5 years ago - Stars: 31 - Forks: 6

Panopticon-AI-team/panopticon

A wargaming platform compatible with reinforcement learning agents

Language: TypeScript - Size: 1.22 MB - Last synced at: 1 day ago - Pushed at: 1 day ago - Stars: 29 - Forks: 6

Facsimile/facsimile

Facsimile Simulation Library

Language: Scala - Size: 3.78 MB - Last synced at: 3 months ago - Pushed at: 3 months ago - Stars: 27 - Forks: 10

phitter-core/phitter-kernel

Phitter is a python library for accurately fitting statistical distributions to datasets, offering intuitive usage, comprehensive visualization, and support for multiple distributions to enhance data analysis projects.

Language: Jupyter Notebook - Size: 404 MB - Last synced at: 5 days ago - Pushed at: 5 days ago - Stars: 25 - Forks: 1

phguo/VRP2E

A coevolutionary-algorithm solver for multi-objective two-echelon Vehicle Routing Problems.

Language: Python - Size: 46.9 KB - Last synced at: about 1 year ago - Pushed at: over 7 years ago - Stars: 25 - Forks: 6

nextmv-io/community-apps

Pre-built decision models serving as the base for Marketplace subscription apps.

Language: Python - Size: 8.69 MB - Last synced at: about 10 hours ago - Pushed at: 16 days ago - Stars: 24 - Forks: 4

nasa/dorado-scheduling 📦

Dorado observation planning and scheduling simulations. Replaced by https://github.com/m4opt/m4opt

Language: Python - Size: 13.3 MB - Last synced at: 30 days ago - Pushed at: 6 months ago - Stars: 24 - Forks: 10

moead-framework/framework

MOEA/D is a general-purpose algorithm framework. It decomposes a multi-objective optimization problem into a number of single-objective optimization sub-problems and then uses a search heuristic to optimize these sub-problems simultaneously and cooperatively.

Language: Python - Size: 11.2 MB - Last synced at: 6 days ago - Pushed at: over 2 years ago - Stars: 23 - Forks: 8

amaziahyahalom/supply-chain-optimization

Language: Jupyter Notebook - Size: 36.1 KB - Last synced at: 16 days ago - Pushed at: 3 months ago - Stars: 22 - Forks: 1

RenatoMaynard/Routing-Problems-using-Google-Maps

Optimal routing and delivery solutions using Google Maps and Python.

Language: Jupyter Notebook - Size: 3.09 MB - Last synced at: 5 days ago - Pushed at: about 1 month ago - Stars: 20 - Forks: 0

bruscalia/tsp-grasp

A Greedy Randomized Adaptive Search Procedure (GRASP) for the Traveling Salesman Problem (TSP)

Language: Python - Size: 43.7 MB - Last synced at: 2 days ago - Pushed at: over 1 year ago - Stars: 19 - Forks: 1

RenatoMaynard/Gurobi-Sensitivity-Analysis

Linear Programming model for Production Planning with full Sensitivity Analysis, including shadow prices, reduced costs, and resource bounds.

Language: Jupyter Notebook - Size: 9.77 KB - Last synced at: 5 days ago - Pushed at: about 1 month ago - Stars: 18 - Forks: 0

datakind/dk-routing

Container-based Action Routing Tool (CART)

Language: Python - Size: 32.6 MB - Last synced at: 6 days ago - Pushed at: 17 days ago - Stars: 17 - Forks: 20

rust-or/lp-solvers

library implementing interaction with various linear programming solvers

Language: Rust - Size: 1.01 MB - Last synced at: 7 months ago - Pushed at: about 1 year ago - Stars: 17 - Forks: 9

bokner/solverview

solverl+LiveView examples

Language: Elixir - Size: 384 KB - Last synced at: 11 days ago - Pushed at: over 2 years ago - Stars: 17 - Forks: 0

HPQC-LABS/Book_About_Quadratization

Open collaborative book on quadratization in discrete optimization and quantum mechanics.

Language: TeX - Size: 39 MB - Last synced at: about 1 year ago - Pushed at: over 2 years ago - Stars: 17 - Forks: 18

nextmv-io/nextmv-py

Python SDKs for Nextmv

Language: Python - Size: 1.66 MB - Last synced at: 3 days ago - Pushed at: 3 days ago - Stars: 16 - Forks: 1

m4opt/m4opt

Multi-Mission Multi-Messenger Observation Planning Toolkit

Language: Python - Size: 1.99 MB - Last synced at: 8 days ago - Pushed at: 8 days ago - Stars: 16 - Forks: 8

pchtsp/orloge

log parser for MIP and LP solvers

Language: Python - Size: 371 KB - Last synced at: 6 days ago - Pushed at: about 1 month ago - Stars: 16 - Forks: 0

RenatoMaynard/Branch-and-Bound-for-Multiple-Knapsack-Problem

A Python implementation of a branch-and-bound approach (plus a simple greedy heuristic) to solve a variation of the multiple knapsack problem where items have both individual and pairwise benefits.

Language: Python - Size: 24.4 KB - Last synced at: 5 days ago - Pushed at: about 1 month ago - Stars: 16 - Forks: 0

alberto-santini/tsppddl

The Traveling Salesman Problem with Pickups, Deliveries and Draft Limits

Language: C++ - Size: 12 MB - Last synced at: 8 days ago - Pushed at: about 2 years ago - Stars: 16 - Forks: 9

N-Wouda/Euro-NeurIPS-2022 📦

OptiML's contribution to the EURO meets NeurIPS 2022 vehicle routing competition.

Language: Jupyter Notebook - Size: 57.2 MB - Last synced at: 6 months ago - Pushed at: over 2 years ago - Stars: 16 - Forks: 2

mip-master/learning_mip

Your best resource to learn mixed-integer programming to solve practical decision-making problems.

Language: Python - Size: 5.23 MB - Last synced at: about 2 years ago - Pushed at: over 2 years ago - Stars: 16 - Forks: 4

vikas9087/Bilevel-Optimization-Emissions

Proposed a mathematical model for optimizing the profits and emissions while setting dynamic prices of electricity. A bilevel & multi-objective model is proposed for maximizing profits of retailer, minimizing the emissions produced, & minimizing the total cost of customers.

Language: Jupyter Notebook - Size: 3.66 MB - Last synced at: 7 months ago - Pushed at: over 3 years ago - Stars: 16 - Forks: 5

prs98/Electric_Vehicle_Charging_Simulation

The goal of this project is to build a simulation model to determine the largest expected revenue from an electric vehicle charging station in a one month time period given the storage capacity, charging grid change costs, demand and supply.

Language: MATLAB - Size: 268 KB - Last synced at: about 1 year ago - Pushed at: over 3 years ago - Stars: 16 - Forks: 0

RenatoMaynard/TSP-Genetic-Algorithm

This repository contains a Genetic Algorithm (GA) implementation for solving the Traveling Salesman Problem (TSP).

Language: Python - Size: 883 KB - Last synced at: 5 days ago - Pushed at: 28 days ago - Stars: 15 - Forks: 0

chkwon/Hygese.jl

A Julia wrapper for the Hybrid Genetic Search algorithm for Capacitated Vehicle Routing Problems (HGS-CVRP)

Language: Julia - Size: 56.6 KB - Last synced at: 3 days ago - Pushed at: 12 months ago - Stars: 15 - Forks: 2

garciparedes/jinete 📦

High Performance solving suite for the Pickup and Delivery Problem and its related extensions.

Language: Python - Size: 10.2 MB - Last synced at: 8 days ago - Pushed at: about 2 years ago - Stars: 15 - Forks: 2