iPython Example

{title} {text}

quit() or Ctrl + D quits the IPython shell.

Using in cmd

 
 
C:\Program Files>ipython -pylab 
WARNING: `-pylab` flag has been deprecated. 
    Use `--matplotlib ` and import pylab manually. 
Python 3.4.1 (v3.4.1:c0e311e010fc, May 18 2014, 10:45:13) [MSC v.1600 64 bit (AMD64)] 
Type "copyright", "credits" or "license" for more information. 
 
IPython 2.3.0 -- An enhanced Interactive Python. 
? -> Introduction and overview of IPython's features. 
%quickref -> Quick reference. 
help -> Python's own help system. 
object? -> Details about 'object', use 'object??' for extra details. 
Using matplotlib backend: TkAgg 
 
In [1]: quit() 
 
C:\Program Files> 
 
 
 

Using PowerShell

 
 
PS C:\Users\Tom> ipython -pylab 
WARNING: `-pylab` flag has been deprecated. 
    Use `--matplotlib ` and import pylab manually. 
Python 3.4.1 (v3.4.1:c0e311e010fc, May 18 2014, 10:45:13) [MSC v.1600 64 bit (AMD64)] 
Type "copyright", "credits" or "license" for more information. 
 
IPython 2.3.0 -- An enhanced Interactive Python. 
? -> Introduction and overview of IPython's features. 
%quickref -> Quick reference. 
help -> Python's own help system. 
object? -> Details about 'object', use 'object??' for extra details. 
Using matplotlib backend: TkAgg 
 
In [1]: quit() 
PS C:\Users\Tom> 
 
 

Using Git

 
 
Tom@TOM-GATEWAYPC ~/Web-Project/GitHub/git-project (master) 
$ ipython -pylab 
WARNING: `-pylab` flag has been deprecated. 
    Use `--matplotlib ` and import pylab manually. 
Python 3.4.1 (v3.4.1:c0e311e010fc, May 18 2014, 10:45:13) [MSC v.1600 64 bit (AMD64)] 
Type "copyright", "credits" or "license" for more information. 
 
IPython 2.3.0 -- An enhanced Interactive Python. 
? -> Introduction and overview of IPython's features. 
%quickref -> Quick reference. 
help -> Python's own help system. 
object? -> Details about 'object', use 'object??' for extra details. 
Using matplotlib backend: TkAgg 
 
In [1]: quit() 
 
Tom@TOM-GATEWAYPC ~/Web-Project/GitHub/git-project (master) 
$ 
 

{title} {text}

Saving a session:
%logstart

 
 
In [1]: %logstart 
Activating auto-logging. Current session state plus future input saved. 
Filename : ipython_log.py 
Mode : rotate 
Output logging : False 
Raw input log : False 
Timestamping : False 
State : active 
 
In [2]: 
 
 

{title} {text}

%logoff
switched off as follows

 
 
In [2]: %logoff 
Switching logging OFF 
 
In [3]: 
 
 

{title} {text}

Starting a notebook with the following code:
ipython notebook
The notebook is opened in your default browser

 
 
PS C:\Users\Tom> ipython notebook 
2014-10-28 14:05:57.151 [NotebookApp] Using existing profile dir: 'C:\\emacs\\.ipython\\profile_default' 
2014-10-28 14:05:57.198 [NotebookApp] Using MathJax from CDN: https://cdn.mathjax.org/mathjax/latest/MathJax.js 
2014-10-28 14:05:57.385 [NotebookApp] Serving notebooks from local directory: C:\Users\Tom 
2014-10-28 14:05:57.385 [NotebookApp] 0 active kernels 
2014-10-28 14:05:57.385 [NotebookApp] The IPython Notebook is running at: http://localhost:8888/ 
2014-10-28 14:05:57.385 [NotebookApp] Use Control-C to stop this server and shut down all kernels (twice to skip confirm 
ation). 
 
 
 

{title} {text}

Starting a notebook with the following code:
ipython notebook --pylab

This loads the Scipy, NumPy, and Matplotlib modules.
The notebook is opened in your default browser

 
 
PS C:\Users\Tom> ipython notebook --pylab 
2014-10-28 14:30:59.300 [NotebookApp] Using existing profile dir: 'C:\\emacs\\.ipython\\profile_default' 
2014-10-28 14:30:59.300 [NotebookApp] WARNING | Starting all kernels in pylab mode is not recommended, 
    and will be disabled in a future release. 
    Please use the %matplotlib magic to enable matplotlib instead. 
    pylab implies many imports, which can have confusing side effects 
    and harm the reproducibility of your notebooks. 
2014-10-28 14:30:59.347 [NotebookApp] Using MathJax from CDN: https://cdn.mathjax.org/mathjax/latest/MathJax.js 
2014-10-28 14:30:59.440 [NotebookApp] Serving notebooks from local directory: C:\Users\Tom 
2014-10-28 14:30:59.440 [NotebookApp] 0 active kernels 
2014-10-28 14:30:59.440 [NotebookApp] The IPython Notebook is running at: http://localhost:8888/ 
2014-10-28 14:30:59.440 [NotebookApp] Use Control-C to stop this server and shut down all kernels (twice to skip confirm 
ation). 
 
 
 

{title} {text}

ipython notebook --pylab inline
Display inline Matplotlib plots with the inline directive, using the following command:

 
 
PS C:\Users\Tom> ipython notebook --pylab inline 
2014-10-28 14:40:29.267 [NotebookApp] Using existing profile dir: 'C:\\emacs\\.ipython\\profile_default' 
2014-10-28 14:40:29.269 [NotebookApp] WARNING | Starting all kernels in pylab mode is not recommended, 
    and will be disabled in a future release. 
    Please use the %matplotlib magic to enable matplotlib instead. 
    pylab implies many imports, which can have confusing side effects 
    and harm the reproducibility of your notebooks. 
2014-10-28 14:40:29.309 [NotebookApp] Using MathJax from CDN: https://cdn.mathjax.org/mathjax/latest/MathJax.js 
2014-10-28 14:40:29.406 [NotebookApp] Serving notebooks from local directory: C:\Users\Tom 
2014-10-28 14:40:29.406 [NotebookApp] 0 active kernels 
2014-10-28 14:40:29.406 [NotebookApp] The IPython Notebook is running at: http://localhost:8888/ 
2014-10-28 14:40:29.407 [NotebookApp] Use Control-C to stop this server and shut down all kernels (twice to skip confirm 
ation). 
 

1. Create a notebook: Click on the New Notebook button to create a new notebook:
2. Create an array: Create an array with the arange function. Type the command in the following screenshot, and press Enter:
a = arange(7)

3. Next, enter the following command and press Enter
a

4. Output

Out[4]: array([0, 1, 2, 3, 4, 5, 6])

5. Next, enter the following command and press Enter

plot(sinc(a))