Skip to main content

A Jupyter kernel for Octave.

Project description


Jupyter Notebook and GNU Octave.

It is recommended to also install gnuplot for Octave to enable inline plotting.


To install using pip:

pip install octave_kernel

Add --user to install in the user-level environment instead of the system environment.

To install using conda:

conda config --add channels conda-forge
conda install octave_kernel
conda install texinfo # For the inline documentation (shift-tab) to appear.

We require the octave-cli executable to run the kernel. Add that executable’s directory to the PATH environment variable or use the OCTAVE_EXECUTABLE to point to the executable itself. Note that on Octave 5 on Windows, the executable is in "Octave-5.x.x.x\mingw64\bin".

We automatically install a Jupyter kernelspec when installing the python package. This location can be found using jupyter kernelspec list. If the default location is not desired, remove the directory for the octave kernel, and install using python -m octave_kernel install. See python -m octave_kernel install --help for available options.


To use the kernel, run one of:

jupyter notebook  # or ``jupyter lab``, if available
# In the notebook interface, select Octave from the 'New' menu
jupyter qtconsole --kernel octave
jupyter console --kernel octave

This kernel is based on MetaKernel, which means it features a standard set of magics (such as %%html). For a full list of magics, run %lsmagic in a cell.

A sample notebook is available online.


The kernel can be configured by adding an file to the jupyter config path. The OctaveKernel class offers plot_settings, inline_toolkit, kernel_json, and cli_options as configurable traits. The available plot settings are: ‘format’, ‘backend’, ‘width’, ‘height’, and ‘resolution’.

cat ~/.jupyter/
# use Qt as the default backend for plots
c.OctaveKernel.plot_settings = dict(backend='qt')

The path to the Octave kernel JSON file can also be specified by creating an OCTAVE_KERNEL_JSON environment variable.

The command line options to Octave can also be specified with an OCTAVE_CLI_OPTIONS environment variable. The cli options be appended to the default opions of --interactive --quiet --no-init-file. Note that the init file is explicitly called after the kernel has set more off to prevent a lockup when the pager is invoked in ~/.octaverc.

The inline toolkit is the graphics_toolkit used to generate plots for the inline backend. It defaults to gnuplot. The different backend can be used for inline plotting either by using this configuration or by using the plot magic and putting the backend name after inline:, e.g. plot -b inline:fltk.


Kernel Times Out While Starting

If the kernel does not start, run the following command from a terminal:

python -m octave_kernel.check

This can help diagnose problems with setting up integration with Octave. If in doubt, create an issue with the output of that command.

Kernel is Not Listed

If the kernel is not listed as an available kernel, first try the following command:

python -m octave_kernel install --user

If the kernel is still not listed, verify that the following point to the same version of python:

which python  # use "where" if using cmd.exe
which jupyter

Gnuplot Error

An error that starts with gnuplot> set terminal aqua enhanced title can be fixed by adding setenv("GNUTERM","qt"); to ~/.octaverc on MacOS or by installing gunplot-x11 and using setenv("GNUTERM", "X11").

Blank Plot

Specify a different format using the %plot -f <backend> magic or using a configuration setting. On some systems, the default 'png' produces a black plot. On other systems 'svg' produces a black plot.

Project details

Release history Release notifications

Download files

Download the file for your platform. If you're not sure which to choose, learn more about installing packages.

Files for octave-kernel, version 0.31.0
Filename, size File type Python version Upload date Hashes
Filename, size octave_kernel-0.31.0-py3-none-any.whl (34.0 kB) File type Wheel Python version py3 Upload date Hashes View hashes
Filename, size octave_kernel-0.31.0.tar.gz (25.7 kB) File type Source Python version None Upload date Hashes View hashes

Supported by

Elastic Elastic Search Pingdom Pingdom Monitoring Google Google BigQuery Sentry Sentry Error logging AWS AWS Cloud computing DataDog DataDog Monitoring Fastly Fastly CDN DigiCert DigiCert EV certificate StatusPage StatusPage Status page