Matplotlib - Data visualization grammar

Matplotlib is an open source data visualization grammar created in 2003 by John D. Hunter.

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Download source code:

git clone https://github.com/matplotlib/matplotlib

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matplotlib is a plotting library for the Python programming language and its numerical mathematics extension NumPy. It provides an object-oriented API for embedding plots into applications using general-purpose GUI toolkits like Tkinter, wxPython, Qt, or GTK+. There is also a procedural "pylab" interface based on a state machine (like OpenGL), designed to closely resemble that of MATLAB, though its use is discouraged. Read more on Wikipedia...

Tags: data visualization grammar, library
Matplotlib is developed on GitHub and has 19,754 stars
Early development of Matplotlib happened in https://github.com/matplotlib
Matplotlib is written in Python, SVG, reStructuredText, C++, YAML, Meson, JSON, HTML, Markdown, CSS, JavaScript, CSV, Jupyter Notebook, Bourne shell, Tex, Objective-C, TOML, XML, Ini, Make, C, Lua
See also: (13 related languages) Python, NumPy, Qt, OpenGL, MATLAB, SciPy, Gnuplot, Julia, GNU Octave, Maxima, Microsoft Excel, Jython, Sage

Example from Wikipedia:

>>> from matplotlib import cm
>>> from mpl_toolkits.mplot3d import Axes3D
>>> import matplotlib.pyplot as plt
>>> import numpy as np
>>> fig = plt.figure()
>>> ax = fig.gca(projection='3d')
>>> X = np.arange(-5, 5, 0.25)
>>> Y = np.arange(-5, 5, 0.25)
>>> X, Y = np.meshgrid(X, Y)
>>> R = np.sqrt(X**2 + Y**2)
>>> Z = np.sin(R)
>>> surf = ax.plot_surface(X, Y, Z, rstride=1, cstride=1, cmap=cm.coolwarm)
>>> plt.show()