Python

Python

Installing

• Anaconda
• Packages
  • 64-bit Linux

Libraries

• Numpy
• Scipy
• Matplotlib
• Sympy
• Pandas
• Jupyter

Other Notable Packages

• subprocess
• multiprocessing
• yaml
• opencv
• pytorch
• pyqt
• pyqtgraph
• pyserial

Conda

conda list

Conda Environments

Create, List, and Destroy

conda create --name <env name>
conda info --envs
conda remove --name <env name> --all

conda activate <env name>
conda deactivate

conda activate <env name>
conda env export > environment.yml

conda list -n <env name> -r
conda install --revision <revision-num>

conda activate
conda init --reverse --all
rm -rf ~/anaconda3
rm -rf ~/miniconda3

https://docs.anaconda.com/free/anaconda/install/uninstall/ https://docs.conda.io/projects/conda/en/latest/user-guide/tasks/manage-environments.html

Conda & ROS

• Historically, the Anaconda distribution does not play nice with ROS.

Numpy

Great overview, oriented for MatLab Users converting to Python

Scipy

Documentation API

Major Scipy Packages

• scipy.fft
• scipy.integrate
• scipy.interpolate
• scipy.linalg
• scipy.optimize
• scipy.signal
• scipy.spatial

Matplotlib

• Plot Types
• Examples
• Tutorials
• Full API

Matplotlib Types

Pandas

• Better for structured array data
• Concept of a DataFrame

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• https://www.educba.com/what-is-pandas/
• https://www.activestate.com/resources/quick-reads/what-is-pandas-in-python-everything-you-need-to-know/ :::

Sympy

• Symbolic Representation of

Visualizaiton

• Matplotlib
• bokeh
• seaborn
• pyqtgraph
• seaborn
• yt

Simple Conda Environment Environment

make sure you have already installed

ffmpeg gstreamer1.0-plugins-good gstreamer1.0-plugins-bad gstreamer1.0-plugins-ugly

conda create -n cv
conda activate cv
conda install pip
conda install -y jupyter matplotlib numpy scipy
conda install -y -c conda-forge opencv

jupyter lab

Open and run your code

Delete your environment

conda remove --name cv --all