Mercurial > web-octave
diff index.md @ 202:927c8b96b2e4
* index.md: Make Markdown file.
author | Kai T. Ohlhus <k.ohlhus@gmail.com> |
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date | Thu, 09 Jul 2020 15:11:46 +0900 |
parents | |
children | 3a99431030c1 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/index.md Thu Jul 09 15:11:46 2020 +0900 @@ -0,0 +1,163 @@ +--- +layout: default +--- + +<section> + <div class="row"> + <div class="columns medium-6"> + <a href="#" data-reveal-id="meshModal"> + <img src="{{ "/img/example-mesh.svg" | relative_url }}" + style="height: 400px; width: auto;" alt="Example mesh"> + </a> + </div> + <div class="columns medium-6"> + <h2 class="home-title"> + <img src="{{ "/img/octave-logo.svg" | relative_url }}" + style="float: left; height: 48px; width: auto; padding-right: 0.5rem" + alt="GNU Octave logo"> + GNU Octave + </h2> + <h3>Scientific Programming Language</h3> + <ul> + <li>Powerful mathematics-oriented syntax with built-in plotting and visualization tools</li> + <li>Free software, runs on GNU/Linux, macOS, BSD, and Microsoft Windows</li> + <li>Drop-in compatible with many Matlab scripts</li> + </ul> + <div> + <ul class="button-group stack-for-small even-2"> + <li><a href="{{ "download.html" | relative_url }}" class="button">Download</a></li> + <li><a href="{{ site.docs_url }}" class="button">Docs</a></li> + </ul> + </div> + </div> + </div> +</section> + +<section> + <h3>Syntax Examples</h3> + + <div class="row"> + <div class="columns medium-12"> + <p> + The Octave syntax is largely compatible with Matlab. The Octave + interpreter can be run in GUI mode, as a console, or invoked as part + of a shell script. More Octave examples can be found in + <a href="{{ site.wiki_url }}/Using_Octave">the wiki</a>. + </p> + </div> + </div> + + <div class="row"> + <div class="columns medium-4" > + <p> + Solve systems of equations with linear algebra operations on + <strong>vectors</strong> and <strong>matrices</strong>. + </p> + </div> + <div class="columns medium-8"> +{% highlight octave %} +b = [4; 9; 2] # Column vector +A = [ 3 4 5; + 1 3 1; + 3 5 9 ] +x = A \ b # Solve the system Ax = b +{% endhighlight %} + </div> + </div> + + <div class="row"> + <div class="columns medium-4"> + <p> + Visualize data with <strong>high-level plot commands</strong> + in 2D and 3D. + </p> + </div> + <div class="columns medium-8"> +{% highlight octave %} +x = -10:0.1:10; # Create an evenly-spaced vector from -10..10 +y = sin (x); # y is also a vector +plot (x, y); +title ("Simple 2-D Plot"); +xlabel ("x"); +ylabel ("sin (x)"); +{% endhighlight %} +<a href="#" data-reveal-id="plotModal">Click here to see the plot output.</a> + </div> + </div> +</section> + +<section> + <h3>Octave Forge</h3> + <div class="row"> + <div class="columns medium-9"> + <p> + <a href="{{ site.sourceforge_url }}">Octave Forge</a> + is a collection of high quality packages for GNU Octave, + similar to Matlab's toolboxes. To install a package, use the + <code>pkg</code> command from the Octave prompt by typing: + </p> +{% highlight text %} +pkg install -forge package_name +pkg load package_name +{% endhighlight %} + </div> + <div class="columns large-3"> + <a href="{{ site.sourceforge_url }}/packages.php" class="button expand">Browse Packages</a> + </div> + </div> +</section> + +<section> + <h3>Development</h3> + <p> + Octave is free software licensed under the + <a href="{{ "license.html" | relative_url }}">GNU General Public License (GPL)</a>. + Assuming you have Mercurial installed on your machine + you may obtain the latest development version of Octave sources + with the following command: + </p> +{% highlight text %} +hg clone https://www.octave.org/hg/octave +{% endhighlight %} + <p> + <a href="{{ "/get-involved.html" | relative_url }}">Get involved</a> + in Octave development. + </p> +</section> + +<section> + <div class="row"> + <div class="columns small-12"> + {% assign latest_post = site.posts.first %} + {% if latest_post %} + <div class="panel callout"> + <a class="right" href="{{ "/feed.xml" | relative_url }}"> + <span class="label warning"> + RSS + </span> + </a> + <h3 class="entry-title"> + <a href="{{ latest_post.url | relative_url }}">{{ latest_post.title }}</a> + </h3> + <p class="post-meta">{{ latest_post.date | date: "%b %-d, %Y" }}</p> + <div class="entry-content">{{ latest_post.excerpt }}</div> + </div> + {% endif %} + </div> + </div> +</section> + +<div id="meshModal" class="reveal-modal" data-reveal aria-hidden="true" role="dialog"> + <img src="{{ "/img/example-mesh.svg" | relative_url }}" alt="Example mesh"> + <a class="close-reveal-modal" aria-label="Close">×</a> +</div> + +<div id="plotModal" class="reveal-modal" data-reveal aria-hidden="true" role="dialog"> + <img src="{{ "/img/example-plot.svg" | relative_url }}" alt="Example plot"> + <a class="close-reveal-modal" aria-label="Close">×</a> +</div> + +<div id="guiModal" class="reveal-modal" data-reveal aria-hidden="true" role="dialog"> + <img src="{{ "/img/GNU_Octave_4-4-0_screenshot_1600x900.png" | relative_url }}" alt="GNU Octave GUI screenshot"> + <a class="close-reveal-modal" aria-label="Close">×</a> +</div>