Commit 579d405a authored by Victor-M-Gomes's avatar Victor-M-Gomes

Commit 2 org files

parent bda3bb25
module2/exo1/cosxsx.png

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module2/exo1/cosxsx.png

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module2/exo1/cosxsx.png
module2/exo1/cosxsx.png
module2/exo1/cosxsx.png
module2/exo1/cosxsx.png
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<div id="content">
<h1 class="title">Your title</h1>
<div id="table-of-contents">
<h2>Table of Contents</h2>
<div id="text-table-of-contents">
<ul>
<li><a href="#orgf71d7d2">1. Some explanations</a></li>
</ul>
</div>
</div>
<div id="outline-container-orgf71d7d2" class="outline-2">
<h2 id="orgf71d7d2"><span class="section-number-2">1</span> Some explanations</h2>
<div class="outline-text-2" id="text-1">
<p>
This is an org-mode document with code examples in Python. Once opened in
Emacs, this document can easily be exported to HTML, PDF, and Office
formats. For more information on org-mode, see
<a href="https://orgmode.org/guide/">https://orgmode.org/guide/</a>.
</p>
<p>
When you type the shortcut <code>C-c C-e h o</code>, this document will be
exported as HTML. All the code in it will be re-executed, and the
results will be retrieved and included into the exported document. If
you do not want to re-execute all code each time, you can delete the #
and the space before <code>#+PROPERTY:</code> in the header of this document.
</p>
<p>
Like we showed in the video, Python code is included as follows (and
is exxecuted by typing <code>C-c C-c</code>):
</p>
<div class="org-src-container">
<pre class="src src-python"><span style="color: #51afef;">print</span>(<span style="color: #98be65;">"Hello world!"</span>)
</pre>
</div>
<pre class="example">
Hello world!
</pre>
<p>
And now the same but in an Python session. With a session, Python&rsquo;s
state, i.e. the values of all the variables, remains persistent from
one code block to the next. The code is still executed using <code>C-c
C-c</code>.
</p>
<div class="org-src-container">
<pre class="src src-python"><span style="color: #51afef;">import</span> numpy
<span style="color: #dcaeea;">x</span>=numpy.linspace(-<span style="color: #da8548; font-weight: bold;">15</span>,<span style="color: #da8548; font-weight: bold;">15</span>)
<span style="color: #51afef;">print</span>(x)
</pre>
</div>
<pre class="example">
[-15. -14.3877551 -13.7755102 -13.16326531 -12.55102041
-11.93877551 -11.32653061 -10.71428571 -10.10204082 -9.48979592
-8.87755102 -8.26530612 -7.65306122 -7.04081633 -6.42857143
-5.81632653 -5.20408163 -4.59183673 -3.97959184 -3.36734694
-2.75510204 -2.14285714 -1.53061224 -0.91836735 -0.30612245
0.30612245 0.91836735 1.53061224 2.14285714 2.75510204
3.36734694 3.97959184 4.59183673 5.20408163 5.81632653
6.42857143 7.04081633 7.65306122 8.26530612 8.87755102
9.48979592 10.10204082 10.71428571 11.32653061 11.93877551
12.55102041 13.16326531 13.7755102 14.3877551 15. ]
</pre>
<p>
Finally, an example for graphical output:
</p>
<p>
<img src="./cosxsx.png" alt="cosxsx.png" />
File &ldquo;&lt;stdin&gt;&rdquo;, line 1, in &lt;module&gt;
File &ldquo;/tmp/babel-vQxa6K/python-Wy3IOy&rdquo;, line 2, in &lt;module&gt;
import matplotlib.pyplot as plt
ModuleNotFoundError: No module named &rsquo;matplotlib&rsquo;]]
</p>
<p>
Note the parameter <code>:exports results</code>, which indicates that the code
will not appear in the exported document. We recommend that in the
context of this MOOC, you always leave this parameter setting as
<code>:exports both</code>, because we want your analyses to be perfectly
transparent and reproducible.
</p>
<p>
Watch out: the figure generated by the code block is <i>not</i> stored in
the org document. It&rsquo;s a plain file, here named <code>cosxsx.png</code>. You have
to commit it explicitly if you want your analysis to be legible and
understandable on GitLab.
</p>
<p>
Finally, don&rsquo;t forget that we provide in the resource section of this
MOOC a configuration with a few keyboard shortcuts that allow you to
quickly create code blocks in Python by typing <code>&lt;p</code>, <code>&lt;P</code> or <code>&lt;PP</code>
followed by <code>Tab</code>.
</p>
<p>
Now it&rsquo;s your turn! You can delete all this information and replace it
by your computational document.
</p>
</div>
</div>
</div>
<div id="postamble" class="status">
<p class="date">Date: 2020-04-13 lun. 00:00</p>
<p class="author">Author: Victor Martins Gomes</p>
<p class="date">Created: 2020-04-13 lun. 22:23</p>
</div>
</body>
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