Sum of a numpy array

>>> np.sum([0.5, 1.5])
2.0
>>> np.sum([0.5, 0.7, 0.2, 1.5], dtype=np.int32)
1
>>> np.sum([[0, 1], [0, 5]])
6
>>> np.sum([[0, 1], [0, 5]], axis=0)
array([0, 6])
>>> np.sum([[0, 1], [0, 5]], axis=1)
array([1, 5])
>>> np.sum([[0, 1], [np.nan, 5]], where=[False, True], axis=1)
array([1., 5.])

Source: numpy.org

Python sum of list axes

>>> np.sum([[0, 1], [0, 5]])
6
>>> np.sum([[0, 1], [0, 5]], axis=0)
array([0, 6])
>>> np.sum([[0, 1], [0, 5]], axis=1)
array([1, 5])

Source: numpy.org

Sum along axis python

import numpy as np
matrix=np.ones((10,10))
print(matrix.sum(axis=0))
print(matrix.sum(axis=1))

Similar codes

1 vote138 views2 answers
Remove 1st column pandas
Python
2 votes178 views2 answers
Np logical not
Python
0 vote148 views1 answer
Pyhton constructor name
Python
7 votes148 views3 answers
How to check runtime of program in python idle
Python
0 vote142 views1 answer
Get a column of a csv python
Python
3 votes150 views1 answer
Transform categorical variables python
Python
1 vote151 views1 answer
How to get index of week in list in python
Python
0 vote150 views2 answers
Set cookie in python requests
Python
39 votes159 views5 answers
How to calculate the sum of a list in python
Python
6 votes148 views2 answers
Remove all html tags and text from string python
Python