This commit is contained in:
vcncolin
2024-07-01 12:23:16 +02:00
parent 85f934da36
commit bf3a23c8b3
11 changed files with 136 additions and 234 deletions

2
.gitignore vendored
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@@ -2,4 +2,4 @@ _site
.sass-cache
.jekyll-cache
.jekyll-metadata
vendor
vendor

25
404.html Normal file
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@@ -0,0 +1,25 @@
---
permalink: /404.html
layout: default
---
<style type="text/css" media="screen">
.container {
margin: 10px auto;
max-width: 600px;
text-align: center;
}
h1 {
margin: 30px 0;
font-size: 4em;
line-height: 1;
letter-spacing: -1px;
}
</style>
<div class="container">
<h1>404</h1>
<p><strong>Page not found :(</strong></p>
<p>The requested page could not be found.</p>
</div>

10
Gemfile
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@@ -7,7 +7,7 @@ source "https://rubygems.org"
#
# This will help ensure the proper Jekyll version is running.
# Happy Jekylling!
gem "jekyll", "~> 4.2.1"
gem "jekyll", "~> 4.3.3"
# This is the default theme for new Jekyll sites. You may change this to anything you like.
gem "minima", "~> 2.5"
# If you want to use GitHub Pages, remove the "gem "jekyll"" above and
@@ -16,18 +16,18 @@ gem "minima", "~> 2.5"
# If you have any plugins, put them here!
group :jekyll_plugins do
gem "jekyll-feed", "~> 0.12"
gem 'jekyll-theme-cayman', '~> 0.0.3'
end
# Windows and JRuby does not include zoneinfo files, so bundle the tzinfo-data gem
# and associated library.
platforms :mingw, :x64_mingw, :mswin, :jruby do
gem "tzinfo", "~> 1.2"
gem "tzinfo", ">= 1", "< 3"
gem "tzinfo-data"
end
# Performance-booster for watching directories on Windows
gem "wdm", "~> 0.1.1", :platforms => [:mingw, :x64_mingw, :mswin]
gem "webrick", "~> 1.7"
# Lock `http_parser.rb` gem to `v0.6.x` on JRuby builds since newer versions of the gem
# do not have a Java counterpart.
gem "http_parser.rb", "~> 0.6.0", :platforms => [:jruby]

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@@ -1,88 +0,0 @@
GEM
remote: https://rubygems.org/
specs:
addressable (2.8.0)
public_suffix (>= 2.0.2, < 5.0)
colorator (1.1.0)
concurrent-ruby (1.1.9)
em-websocket (0.5.2)
eventmachine (>= 0.12.9)
http_parser.rb (~> 0.6.0)
eventmachine (1.2.7-x64-mingw32)
ffi (1.15.4-x64-mingw32)
forwardable-extended (2.6.0)
http_parser.rb (0.6.0)
i18n (1.8.10)
concurrent-ruby (~> 1.0)
jekyll (4.2.1)
addressable (~> 2.4)
colorator (~> 1.0)
em-websocket (~> 0.5)
i18n (~> 1.0)
jekyll-sass-converter (~> 2.0)
jekyll-watch (~> 2.0)
kramdown (~> 2.3)
kramdown-parser-gfm (~> 1.0)
liquid (~> 4.0)
mercenary (~> 0.4.0)
pathutil (~> 0.9)
rouge (~> 3.0)
safe_yaml (~> 1.0)
terminal-table (~> 2.0)
jekyll-feed (0.15.1)
jekyll (>= 3.7, < 5.0)
jekyll-sass-converter (2.1.0)
sassc (> 2.0.1, < 3.0)
jekyll-seo-tag (2.7.1)
jekyll (>= 3.8, < 5.0)
jekyll-watch (2.2.1)
listen (~> 3.0)
kramdown (2.3.1)
rexml
kramdown-parser-gfm (1.1.0)
kramdown (~> 2.0)
liquid (4.0.3)
listen (3.7.0)
rb-fsevent (~> 0.10, >= 0.10.3)
rb-inotify (~> 0.9, >= 0.9.10)
mercenary (0.4.0)
minima (2.5.1)
jekyll (>= 3.5, < 5.0)
jekyll-feed (~> 0.9)
jekyll-seo-tag (~> 2.1)
pathutil (0.16.2)
forwardable-extended (~> 2.6)
public_suffix (4.0.6)
rb-fsevent (0.11.0)
rb-inotify (0.10.1)
ffi (~> 1.0)
rexml (3.2.5)
rouge (3.26.1)
safe_yaml (1.0.5)
sassc (2.4.0-x64-mingw32)
ffi (~> 1.9)
terminal-table (2.0.0)
unicode-display_width (~> 1.1, >= 1.1.1)
thread_safe (0.3.6)
tzinfo (1.2.9)
thread_safe (~> 0.1)
tzinfo-data (1.2021.4)
tzinfo (>= 1.0.0)
unicode-display_width (1.8.0)
wdm (0.1.1)
webrick (1.7.0)
PLATFORMS
x64-mingw32
DEPENDENCIES
jekyll (~> 4.2.1)
jekyll-feed (~> 0.12)
minima (~> 2.5)
tzinfo (~> 1.2)
tzinfo-data
wdm (~> 0.1.1)
webrick (~> 1.7)
BUNDLED WITH
2.2.29

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@@ -1,11 +1,55 @@
title: Le French Math Project
email: chirac.correze@gmail.com
description: Maths for everyobody
# Welcome to Jekyll!
#
# This config file is meant for settings that affect your whole blog, values
# which you are expected to set up once and rarely edit after that. If you find
# yourself editing this file very often, consider using Jekyll's data files
# feature for the data you need to update frequently.
#
# For technical reasons, this file is *NOT* reloaded automatically when you use
# 'bundle exec jekyll serve'. If you change this file, please restart the server process.
#
# If you need help with YAML syntax, here are some quick references for you:
# https://learn-the-web.algonquindesign.ca/topics/markdown-yaml-cheat-sheet/#yaml
# https://learnxinyminutes.com/docs/yaml/
#
# Site settings
# These are used to personalize your new site. If you look in the HTML files,
# you will see them accessed via {{ site.title }}, {{ site.email }}, and so on.
# You can create any custom variable you would like, and they will be accessible
# in the templates via {{ site.myvariable }}.
theme: cayman
title: Your awesome title
email: your-email@example.com
description: >- # this means to ignore newlines until "baseurl:"
Write an awesome description for your new site here. You can edit this
line in _config.yml. It will appear in your document head meta (for
Google search results) and in your feed.xml site description.
baseurl: "" # the subpath of your site, e.g. /blog
url: "" # the base hostname & protocol for your site, e.g. http://example.com
twitter_username: jekyllrb
github_username: jekyll
# markdown: GFM
# Build settings
theme: minima
plugins:
- jekyll-feed
collections:
notes:
output: true
# Exclude from processing.
# The following items will not be processed, by default.
# Any item listed under the `exclude:` key here will be automatically added to
# the internal "default list".
#
# Excluded items can be processed by explicitly listing the directories or
# their entries' file path in the `include:` list.
#
# exclude:
# - .sass-cache/
# - .jekyll-cache/
# - gemfiles/
# - Gemfile
# - Gemfile.lock
# - node_modules/
# - vendor/bundle/
# - vendor/cache/
# - vendor/gems/
# - vendor/ruby/

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@@ -1,40 +0,0 @@
<!DOCTYPE html>
<html lang="{{ page.lang | default: site.lang | default: " en" }}">
{%- include head.html -%}
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/katex@0.13.20/dist/katex.min.css"
integrity="sha384-cRxb1HsKSl8bTfU9fBcGsjktUfQa6w+fwvkYnU8XjFH4Qg8To1+/9OXv5iRzrKX4" crossorigin="anonymous">
<script defer src="https://cdn.jsdelivr.net/npm/katex@0.13.20/dist/katex.min.js"
integrity="sha384-ov99pRO2tAc0JuxTVzf63RHHeQTJ0CIawbDZFiFTzB07aqFZwEu2pz4uzqL+5OPG" crossorigin="anonymous"></script>
<script defer src="https://cdn.jsdelivr.net/npm/katex@0.13.20/dist/contrib/auto-render.min.js"
integrity="sha384-+XBljXPPiv+OzfbB3cVmLHf4hdUFHlWNZN5spNQ7rmHTXpd7WvJum6fIACpNNfIR" crossorigin="anonymous"></script>
<script>
document.addEventListener("DOMContentLoaded", function () {
renderMathInElement(document.body, {
delimiters: [
{ left: '$$', right: '$$', display: true },
{ left: '$', right: '$', display: false },
{ left: '\\(', right: '\\)', display: false },
{ left: '\\[', right: '\\]', display: true }
],
throwOnError: false
});
});
</script>
<body>
{%- include header.html -%}
<main class="page-content" aria-label="Content">
<div class="wrapper">
{{ content }}
</div>
</main>
{%- include footer.html -%}
</body>
</html>

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@@ -1,44 +0,0 @@
---
layout: post
title: Méthodes
author: Vincent G. COLIN
date: 1er Juillet 2024
permalink: methods
---
# Algèbre linéaire
## SEV et familes de vecteurs
### Montrer qu'une famille est une base
### Montrer qu'un ensemble est un SEV
### Trouver le supplémentaire d'un SEV
### Montrer que deux SEV sont en somme directe
## Applications linéaires
### Montrer qu'une application linéaire est injective :
$u$ est injective $\iff Ker(u) = {0}$
### Montrer qu'une application linéaire est surjective :
$u$ est surjective $\iff Im(u) = F$
### Montrer qu'une application est un endomorphisme
Un endomorphisme est une application linéaire de $E$ dans $E$.
1. $\varphi(\lambda u + v) = \lambda \varphi (u) + \varphi (v)$
2. $\varphi (E) \subset E$
### Montrer qu'une application est un isomorphisme
Un isomorphisme est une application linéaire bijective de $E$ dans $E$.
Un isomorphisme transforme une base en une autre base.
$rg(u) = dim(F)$ ?

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@@ -0,0 +1,29 @@
---
layout: post
title: "Welcome to Jekyll!"
date: 2024-07-01 12:19:36 +0200
categories: jekyll update
---
Youll find this post in your `_posts` directory. Go ahead and edit it and re-build the site to see your changes. You can rebuild the site in many different ways, but the most common way is to run `jekyll serve`, which launches a web server and auto-regenerates your site when a file is updated.
Jekyll requires blog post files to be named according to the following format:
`YEAR-MONTH-DAY-title.MARKUP`
Where `YEAR` is a four-digit number, `MONTH` and `DAY` are both two-digit numbers, and `MARKUP` is the file extension representing the format used in the file. After that, include the necessary front matter. Take a look at the source for this post to get an idea about how it works.
Jekyll also offers powerful support for code snippets:
{% highlight ruby %}
def print_hi(name)
puts "Hi, #{name}"
end
print_hi('Tom')
#=> prints 'Hi, Tom' to STDOUT.
{% endhighlight %}
Check out the [Jekyll docs][jekyll-docs] for more info on how to get the most out of Jekyll. File all bugs/feature requests at [Jekylls GitHub repo][jekyll-gh]. If you have questions, you can ask them on [Jekyll Talk][jekyll-talk].
[jekyll-docs]: https://jekyllrb.com/docs/home
[jekyll-gh]: https://github.com/jekyll/jekyll
[jekyll-talk]: https://talk.jekyllrb.com/

18
about.markdown Normal file
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@@ -0,0 +1,18 @@
---
layout: page
title: About
permalink: /about/
---
This is the base Jekyll theme. You can find out more info about customizing your Jekyll theme, as well as basic Jekyll usage documentation at [jekyllrb.com](https://jekyllrb.com/)
You can find the source code for Minima at GitHub:
[jekyll][jekyll-organization] /
[minima](https://github.com/jekyll/minima)
You can find the source code for Jekyll at GitHub:
[jekyll][jekyll-organization] /
[jekyll](https://github.com/jekyll/jekyll)
[jekyll-organization]: https://github.com/jekyll

6
index.markdown Normal file
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@@ -0,0 +1,6 @@
---
# Feel free to add content and custom Front Matter to this file.
# To modify the layout, see https://jekyllrb.com/docs/themes/#overriding-theme-defaults
layout: home
---

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@@ -1,48 +0,0 @@
---
title: Home
author: Vincent G. COLIN
date: July 1, 2024
---
# Chapitre 3 : Compléments d'algèbre linéaire
## Sous-espaces vectoriels et familles de vecteurs
## Applications linéaires
### Exercice 11
Soient $n \in \mathbb{N}$ et $D$ l'application :
$$
\begin{array}{rlll}
D: \mathbb{R}_n[X] & \longrightarrow & \mathbb{R}_n[X] \\
P & \longrightarrow & P^{\prime}
\end{array}
$$
1. Vérifier que $D$ est un automorphisme de $\mathbb{R}_n[X]$
2. On pose $\Gamma = id_{\mathbb{R}_n[X]} + D + D^2 + ... + D^n$. Montrer que $\Gamma$ est un automorphisme.
3. Rappeler une factorisation usuelle de $1 - X^{n+1}$
4. En déduire $\Gamma \circ (id - D)$
5. En déduire l'application réciproque de $\Gamma$
#### Corrigé :
1. $D$ est un endomorphisme car $D$ est linéaire, et $P' \in \mathbb{R}_n[X]$
2. $\Gamma$ transforme la base canonique de $\mathbb{R}_n[X]$ en famille libre de $\mathbb{R}_n[X]$, de dimension $n+1$. On peut donc dire que $\Gamma$ est une application linéaire (car somme d'applications linéaires), bijective, de $\mathbb{R}_n[X]$ vers $\mathbb{R}_n[X]$, donc $\Gamma$ est un automorphisme.
3. $(1-X^{n+1}) = (1-X) . \sum_{k=0}^n X^k$ TMTC
4. En réécrivant l'égalité précédente en plissant un peu les yeux, on obtient :
$\Gamma \circ (id - D) = (id - D^{n+1})$
Il est alors important de remarquer que dans $\mathbb{R}_n[X]$, $D^{n+1} = 0$. On en déduit alors que dans $\mathbb{R}_n[X]$, $\Gamma \circ (id - D) = id$
<ul>
{% for item in site.notes %}
<li><a href="{{ item.url }}">{{ item.title }}</a></li>
{% endfor %}
</ul>
<!-- - [The Space Charge Geometry Factor](/g)
- [The **Effective** Space Charge Geometry Factor](/g_bar)
- [Closed Quasi-Elliptical Shapes](/shapes)
- [Generalized Quasi-Normal Distributions](/distributions)
- [Ray Tracing Intersection Algorithm](/ray_casting) -->