![]() Sometimes it will be necessary to hard type a variable. Matlab uses static typing, whereas python uses Duck typing, Python makes a best guess at what type a variable should have.A good example is “^” which is the power operator on Matlab but it’s a bitwise operator in Python. Certain operators will behave differently in Python than in Matlab which means your code may run normally without errors, but give you different results.Python is zero-indexed whereas Matlab is one-indexed.Converting certain trivial pieces of Matlab code to Python can be as simple as ditching semicolons and using square brackets “” in space of parentheses “()”. Matlab is, amongst other things, a programming language. So now that you have this tool for writing and working with your new code, let’s get down to the actual conversion. That is where you will be doing the actual analysis and graphing of data. In that case, convert those directly to Python and only use Jupyter for your main program. You might have an entire suite of Matlab code, with separate function definitions in included. Visit the Jupyter site for instructions on how to get started using Jupyter notebooks. ![]() It also allows you to have plots and graphs appear alongside your code and results. It’s very useful for quickly querying for the shape of a matrix, or doing a calculation or a function. ![]() Once you run code in one box, global variables, function definitions, import statements, etc., are available throughout the notebook. It can simulate the experience of the Matlab Command Line: That is, it’s a program that runs on your browser and allows you to write and execute Python code. Jupyter Notebooks is a web-based interactive computational environment. This article walks you through what you have to learn in order to convert Matlab code and start doing science with Python. We will leave the discussion of why one would want to make the conversion for a separate article. The use case is anyone who is used to doing research with Matlab and wants to switch to using only free and open source software like Python. The Python libraries are Scipy, Numpy, and Matplotlib the tool is Jupyter Notebooks. In this article I explain how to convert Matlab code to Python using three Python libraries and one tool.
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