Test Book

In [2]:

    

import time
time.sleep(10)


    

In [4]:

    

!gcc?


    

    




Object `gcc` not found.

In [6]:

    

from ctypes import CDLL


    

In [7]:

    

CDLL?


    

In [9]:

    

dll = 'dylib'
libc = CDLL("libc.%s" % dll)


    

In [10]:

    

libc?


    

In [16]:

    

libc?


    

In [17]:

    

message = 'The IPython notebook is great!'
# note: the echo command does not run on Windows, it's a unix command.
!echo $message


    

    




The IPython notebook is great!

In [18]:

    

%load?


    

In [19]:

    

%load http://matplotlib.sourceforge.net/mpl_examples/pylab_examples/integral_demo.py


    

In [20]:

    

#!/usr/bin/env python

# implement the example graphs/integral from pyx
from pylab import *
from matplotlib.patches import Polygon

def func(x):
    return (x-3)*(x-5)*(x-7)+85

ax = subplot(111)

a, b = 2, 9 # integral area
x = arange(0, 10, 0.01)
y = func(x)
plot(x, y, linewidth=1)

# make the shaded region
ix = arange(a, b, 0.01)
iy = func(ix)
verts = [(a,0)] + list(zip(ix,iy)) + [(b,0)]
poly = Polygon(verts, facecolor='0.8', edgecolor='k')
ax.add_patch(poly)

text(0.5 * (a + b), 30,
     r"$\int_a^b f(x)\mathrm{d}x$", horizontalalignment='center',
     fontsize=20)

axis([0,10, 0, 180])
figtext(0.9, 0.05, 'x')
figtext(0.1, 0.9, 'y')
ax.set_xticks((a,b))
ax.set_xticklabels(('a','b'))
ax.set_yticks([])
show()


    

    




---------------------------------------------------------------------------
ImportError                               Traceback (most recent call last)
<ipython-input-20-766c9cf4d8d7> in <module>()
      2 
      3 # implement the example graphs/integral from pyx
----> 4 from pylab import *
      5 from matplotlib.patches import Polygon
      6 

ImportError: No module named pylab

In [ ]: