Building an Optimization Model: Exploring Your Options
When building an optimization model, one must choose from among two alternatives: Using Gurobi with a proprietary modeling language such as AMPL or GAMS, or using Gurobi with a full programming language such as C, C++, C#, Java, Python, VB, MATLAB or R. Using a modeling language can be an attractive choice, especially for non-programmers, given the perceived ease with which a model can be formulated. Using a programming language can be a much more powerful and flexible choice if you are interested in formulating a model and then deploying that model and/or integrating it into an application for others to use. This perceived trade-off led us to wonder, why should someone have to choose between easy or powerful? Is there a way to combine the ease of the modeling language with the power and flexibility of a programming language, without requiring significant programming skills on the part of the modeler?
Introducing the Gurobi Python Environment
The Gurobi Python Environment combines the benefits of a modeling language with the strengths a programming language. By embedding our set of high-level optimization modeling constructs in the very popular Python programming language, we’ve eliminated the need to choose between working in just a modeling language or just a programming language. The Gurobi Python environment allows you to tap into the vast ecosystem of Python, a mature, full-featured and easy-to-use language. With Python, you can take advantage of numerous available pre-written and tested packages (over 200,000 at last count) that can save you significant development time when creating new capabilities for your program. And based on our experience, since Python is a very readable and easy programming language to get started with, we think you’ll be most productive in the Gurobi Python environment—even if you are already familiar with another programming language. By using Python, we’ve created an environment that is:
- Flexible and powerful – Use it just for prototyping, or to create full-featured optimization applications.
- Easy to use – Create simple models, requiring a very basic understanding of the language. Create more complex models that are still concise, efficient and easy to express with just a bit more knowledge.
- Robust – Take advantage of Python’s full range of pre-built packages to support full application development, including exceptional data access capabilities. These capabilities are in part the result of a very large and rapidly growing user community.
Build Better Optimization Applications in Less Time
To help you get started quickly, the Gurobi distribution includes a Python interpreter and a basic set of Python packages. While these are sufficient for building and running simple optimization models, they provide just a glimpse of the wealth of tools and packages that are available for Python. You can further enhance your development experience by downloading a full Python environment and installing our gurobipy interface. We recommend Anaconda, a free and widely used Python distribution that includes an Integrated Development Environment (Spyder), a notebook-style interface (Jupyter), and a broad set of 270 of the most useful Python packages. These tools can significantly increase the interactivity and productivity of your Python model and application building experience.
We provide tools to make it easy to use Gurobi from within your Python environment:
- For Anaconda users, we provide a conda package that makes it easy to install our
- If you are using a different distribution, we also provide a PyPI package that installs gurobipy using the widely available
piptool. Just say ‘pip install -i https://pypi.gurobi.com gurobipy’.
Here are just a few examples of the types of things you can do from within a Python environment:
- Extract data stored in a database
- Build a machine learning model to identify patterns in your data
- Build a GUI to capture user input and display results
- Capture and explore your results in a Jupyter notebook
There are over 200,000 Python packages available, which makes Python a lot more than just a programming language.
Try It Now
To get started using the Gurobi Python Environment:
- Install a Python distribution (Anaconda or another).
- Install our gurobipy package (conda or pip) within that Python environment.
Consult the Python section of our Quick Start Guide to learn more.
We’re happy to assist you. Please contact us using this form, and a Gurobi representative will get back to you shortly.
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