doesn't work
def change(self,x):
  x = x + 1.
x = 2.
x.change(x)
print x



plt.imshow      border problem
pylab.imshow    border problem
axes.imshow     border problem

<font size="6"><center>Example plotting subroutines</center><font size="5">

x = np.random.randn(60)            60 element array
numpy.random.random_integers(2)
numpy.random.random_integers(low, high=None, size=None)
numpy.random.randn(d0, d1, ..., dn)




<table width="100%"><tr>
<th><img src="" height="230"></th>
</tr><tr>
<td><font size="5"><center></center></td>
</tr></table>