Read Matlab .mat File using Python

99 Snow Days | 天雪九久
1 min readNov 6, 2023

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Files with the extension .mat are typically associated with MATLAB, a high-level technical computing language and interactive environment for algorithm development, data visualization, data analysis, and numerical computation. The .mat files are binary files that contain variables, data, and sometimes code that have been saved from a MATLAB workspace.

To interact with a .mat file, you typically use MATLAB's built-in functions. Here are some common operations you might perform with a .mat file in MATLAB:

Load a .mat file: To load variables from a .mat file into the MATLAB workspace, you would use the load function.

load('filename.mat');

For non-MATLAB users, other software tools and programming languages like Python can interact with .mat files, typically through libraries that can read MATLAB files (for Python, this is often done using the scipy.io module).

import scipy.io

# Load a .mat file
mat_contents = scipy.io.loadmat('filename.mat')

# mat_contents will be a dictionary with variable names as keys, and loaded matrices as values

REFERENCES:

OpenAI. (2023). ChatGPT [Large language model]. https://chat.openai.com

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