Mercurial > web-octave
comparison index.md @ 74:5e297505996c kai
Some minor content changes.
author | Kai T. Ohlhus <k.ohlhus@gmail.com> |
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date | Thu, 13 Oct 2016 17:53:12 +0200 |
parents | a7952259f5d3 |
children | 45d807d2bfcc |
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73:7d73884411b6 | 74:5e297505996c |
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16 [![GNU Octave 4.0.3 - Licensed under CC BY-SA 3.0][screen-small]][screen] | 16 [![GNU Octave 4.0.3 - Licensed under CC BY-SA 3.0][screen-small]][screen] |
17 | 17 |
18 [1]: http://www.octave.org | 18 [1]: http://www.octave.org |
19 [2]: http://octave.sourceforge.net/packages.php | 19 [2]: http://octave.sourceforge.net/packages.php |
20 [3]: https://www.mathworks.com/matlab | 20 [3]: https://www.mathworks.com/matlab |
21 [4]: https://www.gnu.org/copyleft/gpl.html | 21 [4]: {{ "license.html" | relative_url }} |
22 [screen]: {{ "/img/screenshot-2016.png" | relative_url }} | 22 [screen]: {{ "/img/screenshot-2016.png" | relative_url }} |
23 [screen-small]: {{ "/img/screenshot-2016-small.png" | relative_url }} | 23 [screen-small]: {{ "/img/screenshot-2016-small.png" | relative_url }} |
24 | 24 |
25 | 25 |
26 | 26 |
27 --- | 27 --- |
28 | 28 |
29 # [{% octicon rss class:"octicon-rss-octave" %}]({{ "/feed.xml" | relative_url }}) News | 29 # [{% octicon rss class:"octicon-rss-octave" %}][Feed] [News] |
30 | 30 |
31 {% for post in site.posts limit:3 %} | 31 {% for post in site.posts limit:3 %} |
32 - [{{ post.title }}]({{ post.url | relative_url }}) | 32 - [{{ post.title }}]({{ post.url | relative_url }}) |
33 ({{ post.date | date: "%b %-d, %Y" }}): | 33 ({{ post.date | date: "%b %-d, %Y" }}) |
34 <span class="post-small">{{ post.excerpt | strip_html}} | 34 |
35 <div class="news-content"> | |
36 {{ post.excerpt }} | |
37 </div> | |
35 {% endfor %} | 38 {% endfor %} |
36 | 39 |
40 [Feed]: {{ "feed.xml" | relative_url }} | |
41 [News]: {{ "news.html" | relative_url }} | |
37 | 42 |
38 | 43 |
39 --- | 44 --- |
40 | 45 |
41 ## Some Examples | 46 ## Some Examples |
42 | 47 |
43 - Solve systems of equations with linear algebra operations on | 48 - Solve systems of equations with linear algebra operations on |
44 **vectors** and **matrices**: | 49 **vectors** and **matrices**: |
45 | 50 |
46 {% highlight octave %} | 51 {% highlight octave %} |
47 b = [4; 9; 2] % Column vector | 52 b = [4; 9; 2]; % Column vector |
48 A = [ 3 4 5; | 53 A = [ 3 4 5; |
49 1 3 1; | 54 1 3 1; |
50 3 5 9 ] | 55 3 5 9 ]; |
51 x = A \ b % Solve $Ax = b$ by inverting A | 56 x = A \ b % Solve $Ax = b$ by inverting A |
52 {% endhighlight %} | 57 {% endhighlight %} |
53 | 58 |
54 - Visualize data with **high-level plot commands** in 2D and 3D: | 59 - Visualize data with **high-level plot commands** in 2D and 3D: |
55 | 60 |
56 {% highlight octave %} | 61 {% highlight octave %} |
57 x = -10:0.1:10 % Create an evenly-spaced vector from -10..10 | 62 % Create an evenly-spaced vector from -10 to 10 |
58 y = sin(x) % y is also a vector | 63 x = -10:0.1:10; |
59 plot(x,y) | 64 y = sin(x); % y is also a vector |
65 plot(x,y); | |
66 title("Simple 2-D Plot"); | |
67 xlabel("x"); | |
68 ylabel("sin (x)"); | |
60 {% endhighlight %} | 69 {% endhighlight %} |
61 | 70 |
62 ![Sine plot]({{ "/img/plot.png" | relative_url }}) | 71 [![Sine plot][plot]][plot] |
72 | |
73 [plot]: {{ "/img/plot.png" | relative_url }} |