Summary Matplotlib Comprehensive Notes, Cheat Sheets, and Study Guide
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Module
CS8501
Institution
Anna University,CEG,chennai-600025
Master data visualization in Python with this comprehensive set of Matplotlib notes. Covering key topics such as plotting line charts, bar graphs, histograms, and scatter plots, these notes are designed for both beginners and advanced users. With cheat sheets, quick references, and code examples, t...
What is Matplotlib: Matplotlib is a comprehensive library in Python for creating static, animated, and
interactive visualizations.
History of Matplotlib: Matplotlib was created by John D. Hunter in 2003 and has become one of the
most widely used plotting libraries in Python.
Key Features: Matplotlib provides tools for creating line plots, bar charts, scatter plots, histograms,
pie charts, and more with high customization.
2. Basic Plotting with Matplotlib
Creating a Plot: A basic plot in Matplotlib can be created using the plot() function, with x and y data
points passed as arguments.
Labels and Titles: The xlabel(), ylabel(), and title() functions are used to add axis labels and titles to
the plot.
Showing and Saving Plots: Plots can be displayed using the show() function or saved to a file with
savefig().
3. Customizing Plots
Line Styles and Colors: Matplotlib allows customizing the appearance of plots with different line
styles (e.g., dashed, dotted) and colors.
Markers: Data points can be marked with different marker styles like circles, squares, and triangles
for better visualization.
Legends: The legend() function is used to add a legend to the plot, helping identify different lines or
markers in the plot.
4. Subplots in Matplotlib
Creating Subplots: Matplotlib's subplot() function allows for creating multiple plots (subplots) within a
single figure.
Grid of Subplots: The subplots() function creates a grid of subplots, where each subplot can have its
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