{{tag>Brouillon Julia}}

= Notes Jupyter iPython Julia IJulia

jupyter / iPython avec Julia

Voir
* https://linuxfr.org/news/python-pour-les-sciences-une-presentation 
* http://people.duke.edu/~ccc14/sta-663/Jupyter.html
* http://ihrke.github.io/jupyter.html
* https://github.com/JuliaLang/IJulia.jl
* julia-factcheck https://github.com/JuliaLang/FactCheck.jl

Voir aussi :
* sagemath

<code bash>
sudo apt-get install julia julia-doc
pip3 install --user jupyter
export PATH=$PATH:~/.local/bin/
echo 'export PATH=$PATH:~/.local/bin/' >> ~/.bashrc
</code>


<code ->
$ julia
julia>
</code>

Dans l'intérpreteur Julia
<code ->
Pkg.add("IJulia")
</code>

<code ->
$ ls  ~/.local/share/jupyter/kernels/
julia-0.3
</code>


Pour lancer IJulia
<code bash>
jupyter-qtconsole --style monokai --kernel=julia-0.3
</code>

Ou
<code bash>
julia
</code>

<code ->
using IJulia
notebook()
</code>

== Pb

<code bash>
jupyter-notebook 
</code>

<code ->
Traceback (most recent call last):
  File "/home/jean/.local/bin/jupyter-notebook", line 11, in <module>
    sys.exit(main())
  File "/home/jean/.local/lib/python3.4/site-packages/jupyter_core/application.py", line 267, in launch_instance
    return super(JupyterApp, cls).launch_instance(argv=argv, **kwargs)
  File "/home/jean/.local/lib/python3.4/site-packages/traitlets/config/application.py", line 591, in launch_instance
    app.initialize(argv)
  File "<string>", line 2, in initialize
  File "/home/jean/.local/lib/python3.4/site-packages/traitlets/config/application.py", line 75, in catch_config_error
    return method(app, *args, **kwargs)
  File "/home/jean/.local/lib/python3.4/site-packages/notebook/notebookapp.py", line 1007, in initialize
    self.init_webapp()
  File "/home/jean/.local/lib/python3.4/site-packages/notebook/notebookapp.py", line 873, in init_webapp
    self.http_server.listen(port, self.ip)
  File "/home/jean/.local/lib/python3.4/site-packages/tornado/tcpserver.py", line 126, in listen
    sockets = bind_sockets(port, address=address)
  File "/home/jean/.local/lib/python3.4/site-packages/tornado/netutil.py", line 187, in bind_sockets
    sock.bind(sockaddr)
OSError: [Errno 99] Cannot assign requested address
</code>

Solution
<code bash>
jupyter-notebook --ip=127.0.0.1
</code>

Le port 8888 est déjà utilisé, mais un "bindant" sur 127.0.0.1 ça passe