/Python/How to access rows and columns indexing numpy

How to access rows and columns indexing numpy

>>> a[[0,1,3], :]            # Returns the rows you want
array([[ 0,  1,  2,  3],
       [ 4,  5,  6,  7],
       [12, 13, 14, 15]])
>>> a[[0,1,3], :][:, [0,2]]  # Selects the columns you want as well
array([[ 0,  2],
       [ 4,  6],
       [12, 14]])

Source: stackoverflow.com

Similar codes

46 votes144 views6 answers
Get full path of file python
Python
0 vote148 views1 answer
Get pixel color pygame
Python
12 votes135 views3 answers
Python delete all files in directory
Python
2 votes142 views1 answer
Python filedir
Python
2 votes143 views2 answers
Panda - subset based on column value
Python
1 vote136 views1 answer
Python how to copy a 2d array leaving out last column
Python
2 votes153 views1 answer
Check substring in pandas column
Python
3 votes138 views1 answer
Last history of whatsapp message with python
Python
19 votes132 views2 answers
Pyinstaller single file
Python
0 vote159 views1 answer
Isprime lambda python
Python