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[https://www.gnu.org/software/octave/ GNU Octave] is a high-level interpreted language, primarily intended for numerical computations. It provides capabilities for the numerical solution of linear and nonlinear problems, and for performing other numerical experiments. It also provides extensive graphics capabilities for data visualization and manipulation. The program is named after [https://en.wikipedia.org/wiki/Octave_Levenspiel Octave Levenspiel], a former professor of the principal author. GNU Octave is normally used through its interactive interface ([https://en.wikipedia.org/wiki/Command-line_interface CLI] and [https://en.wikipedia.org/wiki/Graphical_user_interface GUI]), but it can also be used to write non-interactive programs. The project was conceived around 1988 and at first it was intended to be a companion to a chemical reactor design course. The GNU Octave language is largely compatible to [https://en.wikipedia.org/wiki/MATLAB Matlab] so that most programs are easily portable. In addition, functions known from the C standard library and from UNIX system calls and functions are supported. C/C++ and Fortran code can be called from Octave by creating [https://octave.org/doc/interpreter/Getting-Started-with-Oct_002dFiles.html Oct-Files], or using Matlab compatible [https://octave.org/doc/interpreter/Mex_002dFiles.html Mex-Files].
[http://www.octave.org GNU Octave] is a high-level interpreted language, primarily intended for numerical computations. It provides capabilities for the numerical solution of linear and nonlinear problems, and for performing other numerical experiments. It also provides extensive graphics capabilities for data visualization and manipulation. GNU Octave is normally used through its interactive interface (CLI and GUI), but it can also be used to write non-interactive programs. The GNU Octave language is quite similar to MATLAB® so that most programs are easily portable.


== ⚙️ [[:Category:Installation|Installing]] ==
This wiki is intended to supplement the [http://www.gnu.org/software/octave/doc/interpreter GNU Octave documentation]. Before adding content, please check that it is not already part of, or belongs in, the documentation.


Installation instructions for:
== GNU Octave FAQ ==
* [[Octave for GNU/Linux|GNU/Linux]], [[Octave for Android|Android]], and [[Octave for other Unix systems|other Unix systems]]
* [[Octave for macOS|macOS]]
* [[Octave for Microsoft Windows|Microsoft Windows]]


Get installers and sources from https://www.octave.org/download.
The [[FAQ]] is a list of frequently asked questions (FAQ) for GNU Octave users and a good place to start.


{{Note|'''GNU Octave {{Release}}''' is the current stable release.}}
Answers to questions regarding [[FAQ#General|what is Octave]], [[FAQ#Licensing_issues|licensing]], [[FAQ#What.27s_new_in_Octave|new features]], [[FAQ#What_documentation_exists_for_Octave.3F|documentation]], [[FAQ#Installation_issues_and_problems|installation]], [[FAQ#Coding|coding]], [[FAQ#How_can_I_get_involved_in_Octave_development.3F|contributing to Octave]], and more, are found there.


Are you using an old version of Octave?  Check the [[Release History]] page to see how old it is.
== Table of contents ==


== ❓ Getting help ==
Below is a temporary attempt to organize the "most wanted" pages of the Wiki. A list of all pages on the wiki can be seen [[Special:AllPages|here]]. To locate something specific, try the wiki's search box, or prepend {{Codeline|<nowiki>site:http://www.octave.org/wiki/</nowiki>}} to a [https://www.google.com/search?&q=site%3Ahttp%3A%2F%2Fwww.octave.org%2Fwiki google search].


* [[FAQ]]
=== [[:Category:Installation|Installation]] ===
* [https://docs.octave.org/quickref Octave Quick Reference PDF]
* [[Octave for Microsoft Windows]]
* [https://docs.octave.org/latest Full documentation]
* [[Octave for MinGW]]
* [[Octave for MacOS X]]
* [[Octave for GNU/Linux]]


* [https://octave.discourse.group Octave Discourse] - Forum for Octave users and developers.
=== [[:Category:Building|Building Octave]] ===
* [https://octave.org/support Other support options]
* [[Build from source]]
* [[Mercurial (hg) cheat sheet]]
* [[Tests|Testing Source Code]]
* [[Octave for Mac|Octave for MacOS (minimalistic)]]
* [[Create a MacOS X App Bundle Using MacPorts]]
* [[Enable large arrays: Build octave such that it can use arrays larger than 2Gb.|Building Octave to Use Large Arrays]]


== 💡 [[:Category:Resources|Getting started]] 🔰 ==
=== [[:Category:Packages|Packages]] ===
* [[Octave-Forge|Octave-Forge and Installing Packages]]
* [[Creating_packages|Creating Packages]]


* [[Publications using Octave#Books|Books]]
==== [[Octave-Forge]] ====
* [[Video tutorials|Videos]]
See the [http://octave.sourceforge.net/packages.php Octave Forge] website for a complete list.
* [[:Category:Resources|Tutorials and Examples]]
* [[Dicom_package|Dicom]]
* [[Geometry_package|Geometry]]
* [[IO_package|I/O]]
* [[Java_package|Java]]
* [[Mechanics_package|Mechanics]]
* [[Instrument_control__package|Instrument control]]
* [[Sockets_package|Sockets]]
* [[Video_package|Video]]
* [[Fem-fenics|fem-fenics]] Interface to [http://fenicsproject.org/ FEnics] FEM library
* [[bim_package|bim]] Solve Partial Differential Equaltions with a Finite Element method
* [http://modb.oce.ulg.ac.be/mediawiki/index.php/CGI_programming_with_Octave CGI] Common Gateway Interface for Octave
* [http://modb.oce.ulg.ac.be/mediawiki/index.php/Optimal_interpolation_Fortran_module_with_Octave_interface optiminterp] Optimal interpolation
* [http://modb.oce.ulg.ac.be/mediawiki/index.php/NetCDF_toolbox_for_Octave octcdf] NetCDF package (old)
* [http://modb.oce.ulg.ac.be/mediawiki/index.php/Octave-netcdf netcdf] matlab-compatible NetCDF package
* [http://modb.oce.ulg.ac.be/mediawiki/index.php/NcArray ncArray] High-level interface of accessing a single or a collection of NetCDF files as a multi-dimensional array


== 🔬 [[:Category:Development|Development]] ==
=== [[:Category:Editors|Editors]] ===
* [[Gedit]]
* [[Emacs]]
* [[Nano]]
* [[Vim]]
* [[Kate]]
* [http://octclipse.sourceforge.net Octclipse] (Windows and GNU/Linux only.  The Octclipse developers are seeking individuals to assist with MacOS X support.)
* [https://sites.google.com/site/domainmathide/ DomainMath IDE] (Windows,GNU/Linux and Mac OS.)


We always need more help improving Octave and there are many ways [https://www.gnu.org/software/octave/get-involved.html you can contribute] (fixing bugs, developing new features, answering questions on [https://octave.discourse.group/ Octave Discourse], ...).
=== Plotting tutorial ===
All or most of the information about plotting in Octave can be found in the manual and on the internet. This information can be too scattered over different resources for a new user to find his/her way into solving a plotting problem/need. This tutorial should be considered as the 'recipe text' by examples if you consider the manual as a 'recipe ingredients only'.
* [[Recap of the hierarchy of each plot element]]
* [[The order of the commands matter sometimes]]  
* [[Changing text elements (label, title)]]
* [[More control over subplots]]
* [[Enable "linestyle" functionality for Gnuplot's x11 terminal]]


::* Get an overview about the [[:Category:Development|GNU Octave development]].
=== Miscellaneous ===
::* Take a look at our [[Projects|project ideas]] and [[Summer of Code - Getting Started | Summer of Code project
* [[Octave Basics]] - For those just getting started.
ideas]].
* [[Cookbook]] - Several simple and useful examples.
* [[Tips and tricks]] - Guidelines to improve your coding skills.
* [[Fortran]] - Accessing liboctave from a Fortran 2003 program.
* [[Octave load]] - Use liboctave functions to load variables from a file in Octave's binary format.
* [[Special:AllPages|All Pages]] - A list of all special pages (like recent changes to the wiki)
* [[Publications using Octave]] - A compilation of scientific publications making reference to GNU Octave (add yours!).
* [[Octave fun]] - Coding can be fun -- miscellaneous more or less funny scripts
* [[BASH and Octave]] - tips for easing use of Octave together with GNU BASH (linux)


== 📦 [[:Category:Packages|Packages]] ==
=== [[:Category:Development|Development]] ===
* [[:Category:Development|Development]] - All information related to development can be found at the category page.
* [[Release 3.8]] - Information about the upcoming 3.8 release.


* [https://docs.octave.org/latest/Installing-and-Removing-Packages.html Installing packages]
== External Links ==
* [https://packages.octave.org Octave Packages] &mdash; collection of packages and toolboxes
* [http://www.gnu.org/software/octave/ Octave Homepage]
 
* [http://octave.sourceforge.net/ Octave Forge]
==  📝[[:Category:User Contributed Code|User Contributed Code]] ==
* [https://savannah.gnu.org/bugs/?group=octave GNU Octave - Bug Tracker]
 
* [https://savannah.gnu.org/task/?group=octave GNU Octave - Task Tracker]
* [[:Category:User Contributed Code|Category User Contributed Code]] &mdash; A compilation of user provided code (✏️ add yours!)
* [https://savannah.gnu.org/patch/?group=octave GNU Octave - Patch Tracker]
 
* [https://savannah.gnu.org/hg/?group=octave GNU Octave - Mercurial Repositories]
== 🎓 [[:Category:Academia|Academia]] ==
* [http://planet.octave.org Planet Octave] (site summary for blogs from Octave's [http://code.google.com/soc/ GSoC] and [http://sophia.estec.esa.int/socis2013/ SoCiS] students)
 
* [[Publications using Octave]] &mdash; A compilation of scientific publications making reference to GNU Octave (add yours!).
 
== 🌐 External Links ==
 
* [https://octave.org Octave Homepage]
* [https://savannah.gnu.org/bugs/?group=octave Bug Tracker]
* [https://savannah.gnu.org/task/?group=octave Task Tracker]
* [https://savannah.gnu.org/patch/?group=octave Patch Tracker]
* [https://savannah.gnu.org/hg/?group=octave Development Repository]
Please note that all contributions to Octave may be edited, altered, or removed by other contributors. If you do not want your writing to be edited mercilessly, then do not submit it here.
You are also promising us that you wrote this yourself, or copied it from a public domain or similar free resource (see Octave:Copyrights for details). Do not submit copyrighted work without permission!

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