web-octave: index.md annotate

annotate index.md @ 63:0a7baadc93a4 kai

Overhaul index.md start page. Less is more! Tidy up css.

author	Kai T. Ohlhus <k.ohlhus@gmail.com>
date	Tue, 11 Oct 2016 16:02:51 +0200
parents	aa0c5c467963
children	a7952259f5d3

rev	line source
44 dbc6628a3c05 Drag index.html into the Markdown language. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: diff changeset	1 ---
dbc6628a3c05 Drag index.html into the Markdown language. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: diff changeset	2 layout: default
dbc6628a3c05 Drag index.html into the Markdown language. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: diff changeset	3 ---
dbc6628a3c05 Drag index.html into the Markdown language. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: diff changeset	4
63 0a7baadc93a4 Overhaul index.md start page. Less is more! Tidy up css. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: 48 diff changeset	5 [GNU Octave][1] is a high-level interpreted language,
0a7baadc93a4 Overhaul index.md start page. Less is more! Tidy up css. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: 48 diff changeset	6 primarily intended for numerical computations,
0a7baadc93a4 Overhaul index.md start page. Less is more! Tidy up css. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: 48 diff changeset	7 with built-in plotting and visualization capabilities.
0a7baadc93a4 Overhaul index.md start page. Less is more! Tidy up css. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: 48 diff changeset	8
0a7baadc93a4 Overhaul index.md start page. Less is more! Tidy up css. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: 48 diff changeset	9 [![GNU Octave 4.0.3 - Licensed under CC BY-SA 3.0][screen-small]][screen]
0a7baadc93a4 Overhaul index.md start page. Less is more! Tidy up css. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: 48 diff changeset	10
0a7baadc93a4 Overhaul index.md start page. Less is more! Tidy up css. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: 48 diff changeset	11 [1]: http://www.octave.org
0a7baadc93a4 Overhaul index.md start page. Less is more! Tidy up css. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: 48 diff changeset	12 [screen]: {{ "/img/screenshot-2016.png" \| relative_url }}
0a7baadc93a4 Overhaul index.md start page. Less is more! Tidy up css. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: 48 diff changeset	13 [screen-small]: {{ "/img/screenshot-2016-small.png" \| relative_url }}
0a7baadc93a4 Overhaul index.md start page. Less is more! Tidy up css. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: 48 diff changeset	14
0a7baadc93a4 Overhaul index.md start page. Less is more! Tidy up css. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: 48 diff changeset	15 The GNU Octave language is quite similar to [Matlab][2]
0a7baadc93a4 Overhaul index.md start page. Less is more! Tidy up css. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: 48 diff changeset	16 so that most programs are easily portable.
0a7baadc93a4 Overhaul index.md start page. Less is more! Tidy up css. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: 48 diff changeset	17
0a7baadc93a4 Overhaul index.md start page. Less is more! Tidy up css. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: 48 diff changeset	18 [2]: https://www.mathworks.com/matlab
0a7baadc93a4 Overhaul index.md start page. Less is more! Tidy up css. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: 48 diff changeset	19
0a7baadc93a4 Overhaul index.md start page. Less is more! Tidy up css. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: 48 diff changeset	20 Octave is distributed under the terms of the
0a7baadc93a4 Overhaul index.md start page. Less is more! Tidy up css. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: 48 diff changeset	21 [GNU General Public License][3].
0a7baadc93a4 Overhaul index.md start page. Less is more! Tidy up css. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: 48 diff changeset	22
0a7baadc93a4 Overhaul index.md start page. Less is more! Tidy up css. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: 48 diff changeset	23 [3]: https://www.gnu.org/copyleft/gpl.html
44 dbc6628a3c05 Drag index.html into the Markdown language. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: diff changeset	24
dbc6628a3c05 Drag index.html into the Markdown language. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: diff changeset	25
63 0a7baadc93a4 Overhaul index.md start page. Less is more! Tidy up css. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: 48 diff changeset	26
0a7baadc93a4 Overhaul index.md start page. Less is more! Tidy up css. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: 48 diff changeset	27 ## News ([RSS]({{ "/feed.xml" \| relative_url }}))
44 dbc6628a3c05 Drag index.html into the Markdown language. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: diff changeset	28
63 0a7baadc93a4 Overhaul index.md start page. Less is more! Tidy up css. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: 48 diff changeset	29 {% for post in site.posts limit:3 %}
0a7baadc93a4 Overhaul index.md start page. Less is more! Tidy up css. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: 48 diff changeset	30 - [{{ post.title }}]({{ post.url \| relative_url }})
0a7baadc93a4 Overhaul index.md start page. Less is more! Tidy up css. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: 48 diff changeset	31 ({{ post.date \| date: "%b %-d, %Y" }})
44 dbc6628a3c05 Drag index.html into the Markdown language. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: diff changeset	32
63 0a7baadc93a4 Overhaul index.md start page. Less is more! Tidy up css. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: 48 diff changeset	33 {{ post.excerpt }}
0a7baadc93a4 Overhaul index.md start page. Less is more! Tidy up css. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: 48 diff changeset	34 {% endfor %}
0a7baadc93a4 Overhaul index.md start page. Less is more! Tidy up css. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: 48 diff changeset	35
0a7baadc93a4 Overhaul index.md start page. Less is more! Tidy up css. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: 48 diff changeset	36
0a7baadc93a4 Overhaul index.md start page. Less is more! Tidy up css. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: 48 diff changeset	37
0a7baadc93a4 Overhaul index.md start page. Less is more! Tidy up css. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: 48 diff changeset	38 ## Some Octave Examples
0a7baadc93a4 Overhaul index.md start page. Less is more! Tidy up css. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: 48 diff changeset	39
0a7baadc93a4 Overhaul index.md start page. Less is more! Tidy up css. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: 48 diff changeset	40 - Solve systems of equations with linear algebra operations on
0a7baadc93a4 Overhaul index.md start page. Less is more! Tidy up css. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: 48 diff changeset	41 vectors and matrices:
0a7baadc93a4 Overhaul index.md start page. Less is more! Tidy up css. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: 48 diff changeset	42
0a7baadc93a4 Overhaul index.md start page. Less is more! Tidy up css. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: 48 diff changeset	43 {% highlight octave %}
44 dbc6628a3c05 Drag index.html into the Markdown language. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: diff changeset	44 b = [4; 9; 2] % Column vector
dbc6628a3c05 Drag index.html into the Markdown language. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: diff changeset	45 A = [ 3 4 5;
dbc6628a3c05 Drag index.html into the Markdown language. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: diff changeset	46 1 3 1;
dbc6628a3c05 Drag index.html into the Markdown language. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: diff changeset	47 3 5 9 ]
63 0a7baadc93a4 Overhaul index.md start page. Less is more! Tidy up css. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: 48 diff changeset	48 x = A \ b % Solve $Ax = b$ by inverting A
44 dbc6628a3c05 Drag index.html into the Markdown language. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: diff changeset	49 {% endhighlight %}
dbc6628a3c05 Drag index.html into the Markdown language. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: diff changeset	50
63 0a7baadc93a4 Overhaul index.md start page. Less is more! Tidy up css. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: 48 diff changeset	51 - Visualize data with high-level plot commands in 2D and 3D:
0a7baadc93a4 Overhaul index.md start page. Less is more! Tidy up css. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: 48 diff changeset	52
0a7baadc93a4 Overhaul index.md start page. Less is more! Tidy up css. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: 48 diff changeset	53 {% highlight octave %}
44 dbc6628a3c05 Drag index.html into the Markdown language. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: diff changeset	54 x = -10:0.1:10 % Create an evenly-spaced vector from -10..10
dbc6628a3c05 Drag index.html into the Markdown language. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: diff changeset	55 y = sin(x) % y is also a vector
dbc6628a3c05 Drag index.html into the Markdown language. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: diff changeset	56 plot(x,y)
dbc6628a3c05 Drag index.html into the Markdown language. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: diff changeset	57 {% endhighlight %}
dbc6628a3c05 Drag index.html into the Markdown language. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: diff changeset	58
63 0a7baadc93a4 Overhaul index.md start page. Less is more! Tidy up css. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: 48 diff changeset	59 ![Sine plot]({{ "/img/plot.png" \| relative_url }})
44 dbc6628a3c05 Drag index.html into the Markdown language. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: diff changeset	60
dbc6628a3c05 Drag index.html into the Markdown language. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: diff changeset	61
dbc6628a3c05 Drag index.html into the Markdown language. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: diff changeset	62
dbc6628a3c05 Drag index.html into the Markdown language. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: diff changeset	63 ### Octave Forge
dbc6628a3c05 Drag index.html into the Markdown language. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: diff changeset	64
dbc6628a3c05 Drag index.html into the Markdown language. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: diff changeset	65 [Octave Forge](http://octave.sourceforge.net/)
dbc6628a3c05 Drag index.html into the Markdown language. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: diff changeset	66 is a central location for development of packages for GNU Octave,
dbc6628a3c05 Drag index.html into the Markdown language. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: diff changeset	67 similar to Matlab's toolboxes.
dbc6628a3c05 Drag index.html into the Markdown language. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: diff changeset	68 To install a package, use the pkg command from the Octave prompt by typing:
dbc6628a3c05 Drag index.html into the Markdown language. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: diff changeset	69
dbc6628a3c05 Drag index.html into the Markdown language. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: diff changeset	70 <div class="row">
dbc6628a3c05 Drag index.html into the Markdown language. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: diff changeset	71 <div class="columns medium-9">
dbc6628a3c05 Drag index.html into the Markdown language. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: diff changeset	72 {% highlight text %}
dbc6628a3c05 Drag index.html into the Markdown language. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: diff changeset	73 pkg install -forge package_name
dbc6628a3c05 Drag index.html into the Markdown language. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: diff changeset	74 pkg load package_name
dbc6628a3c05 Drag index.html into the Markdown language. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: diff changeset	75 {% endhighlight %}
dbc6628a3c05 Drag index.html into the Markdown language. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: diff changeset	76 </div>
dbc6628a3c05 Drag index.html into the Markdown language. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: diff changeset	77 <div class="columns large-3">
dbc6628a3c05 Drag index.html into the Markdown language. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: diff changeset	78 <a href="http://octave.sourceforge.net/packages.php" class="button expand">Browse Packages</a>
dbc6628a3c05 Drag index.html into the Markdown language. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: diff changeset	79 </div>
dbc6628a3c05 Drag index.html into the Markdown language. Kai T. Ohlhus <k.ohlhus@gmail.com> parents: diff changeset	80 </div>

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annotate index.md @ 63:0a7baadc93a4 kai