33 sahpe attribute in python

In [1]:

import numpy as np

In [2]:

from numpy.random import randint

In [3]:

za=np.arange(25)

In [4]:

za

Out[4]:

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 [5]:

za.reshape(5,5)

Out[5]:

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 [7]:

zb=za.reshape(5,5)

In [8]:

zb

Out[8]:

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 [9]:

zb.max()

Out[9]:

24

In [10]:

za.max()

Out[10]:

24

In [11]:

za.min()

Out[11]:

0

In [12]:

za.argmax()

Out[12]:

24

In [13]:

zb.argmin()

Out[13]:

0

In [17]:

zc = np.random.randint(0,50,10)

In [19]:

zc

Out[19]:

array([ 5, 46, 26, 23, 23, 21, 40, 21,  3, 35])

In [18]:

zc.max()

Out[18]:

46

In [20]:

zc.min()

Out[20]:

3

In [21]:

zc.argmax()

Out[21]:

1

In [22]:

zc.argmin()

Out[22]:

8

In [25]:

zc.shape

Out[25]:

(10,)

In [26]:

zb.shape

Out[26]:

(5, 5)

In [27]:

zd=np.arange(100)

In [28]:

zd

Out[28]:

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, 25, 26, 27, 28, 29, 30, 31, 32, 33,
       34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50,
       51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67,
       68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84,
       85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99])

In [30]:

zd.shape

Out[30]:

(100,)

In [31]:

zd.reshape(5,5)

---------------------------------------------------------------------------
ValueError                                Traceback (most recent call last)
<ipython-input-31-2ace9a126e57> in <module>()
----> 1 zd.reshape(5,5)

ValueError: cannot reshape array of size 100 into shape (5,5)

In [32]:

zd.reshape(2,50)

Out[32]:

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, 25, 26, 27, 28, 29, 30, 31, 32, 33,
        34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49],
       [50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66,
        67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83,
        84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99]])

In [33]:

zd.reshape(2,50).shape

Out[33]:

(2, 50)

In [34]:

zd.reshape(5,20)

Out[34]:

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, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36,
        37, 38, 39],
       [40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56,
        57, 58, 59],
       [60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76,
        77, 78, 79],
       [80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96,
        97, 98, 99]])

In [35]:

zd.reshape(5,20).shape

Out[35]:

(5, 20)

In [ ]:

zd.shape