The exponential distribution didn't show up in the shell

Question

Here is a short code :

import numpy as np   
from scipy.stats import expon
import matplotlib.pyplot as plt

x = np.arange(0, 10, 0.001)
plt.plot(x, expon.pdf(x))

When I type that in the shell in using ipython, that didn't show up anything while it is supposed to plot the exponential distribution for x between 0 and 10. Could anyone be able to tell me what is the problem here?

I got that, but the plot did show up

In [16]: plt.plot(x, norm.pdf(x))
Out[16]: [<matplotlib.lines.Line2D at 0x7fbfe6bc2890>]

Thanks in advance!

P.S. Be aware that I am using Ubuntu 16.10 (Linux distribution).

Yes I could. If you install ipython and execute `ipython`, then we can enter import lib and using it normally. Btw, yes I use np (numpy here). You could see the edit of the question. — , Apr 09 '17 at 19:52

ImportanceOfBeingErnest · Accepted Answer · 2017-04-09T20:09:46.477

0

It seems you are using IPython. Depending on in which environment you use it, you can create inline plots or plot to a window.

Ipython in Jupyther QtConsole allows to set the inline backend, %matplotlib inline.

In IPython without graphical support, you need to invoke a plotting window using plt.show()

edited Apr 09 '17 at 20:09

answered Apr 09 '17 at 20:01

ImportanceOfBeingErnest

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I am using Jupiter Qtconsole since today. Where did you install `%matplotlib inline`? – Apr 09 '17 at 21:19
It doesn't have to be installed. Does it not work for you? – ImportanceOfBeingErnest Apr 09 '17 at 21:23
I cannot get matplotlib graphics to show up inline with jupyter. – Apr 09 '17 at 21:27
Everything work with `plt.show()`; I just want to use Jupyter. – Apr 09 '17 at 21:29
Yes, that is shown in the first image from my answer. – ImportanceOfBeingErnest Apr 09 '17 at 21:31
Ok, I understand now. In Ubuntu, we have configuration file, e.g., `.bashrc`, `.vimrc` and so on. Is there a config file for Jupiter where I could insert the command `%matplotlib inline` where it could be loaded automatically? – Apr 09 '17 at 21:34
See [this question](http://stackoverflow.com/questions/21176731/automatically-run-matplotlib-inline-in-ipython-notebook). – ImportanceOfBeingErnest Apr 09 '17 at 21:43

The exponential distribution didn't show up in the shell

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