32 reshape and rand ind methods in python

In [5]:

import numpy as np

In [ ]:

# np.random.randint(1,100)

In [6]:

np.random.randint(1,100)

Out[6]:

25

In [7]:

z=np.random.randint(1,100)

In [8]:

z

Out[8]:

55

In [12]:

Out[12]:

41

In [4]:

randint(1,20)

---------------------------------------------------------------------------
NameError                                 Traceback (most recent call last)
<ipython-input-4-b634dbb6741c> in <module>()
----> 1 randint(1,20)

NameError: name 'randint' is not defined

In [17]:

from numpy.random import randint

In [18]:

randint(1,20)

Out[18]:

12

In [21]:

from numpy.random import randint

In [31]:

randint(2,3)

Out[31]:

2

In [34]:

randint(1,20,4)

Out[34]:

array([4, 2, 9, 1])

In [37]:

za=np.arange(25)

In [38]:

za

Out[38]:

array([ 0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 10, 11, 12, 13, 14, 15, 16,
       17, 18, 19, 20, 21, 22, 23, 24])

In [45]:

za.reshape(5,5,order='F')

Out[45]:

array([[ 0,  5, 10, 15, 20],
       [ 1,  6, 11, 16, 21],
       [ 2,  7, 12, 17, 22],
       [ 3,  8, 13, 18, 23],
       [ 4,  9, 14, 19, 24]])