Python

Search

numpy array divide each row by its sum

>>> e
array([[ 0.,  1.],
       [ 2.,  4.],
       [ 1.,  5.]])
# Method #1
>>> e/e.sum(axis=1)[:,None]
array([[ 0.        ,  1.        ],
       [ 0.33333333,  0.66666667],
       [ 0.16666667,  0.83333333]])

# Method #2
>>> (e.T/e.sum(axis=1)).T
array([[ 0.        ,  1.        ],
       [ 0.33333333,  0.66666667],
       [ 0.16666667,  0.83333333]])

# Method #3:
>>> e/e.sum(axis=1, keepdims=True)
array([[ 0.        ,  1.        ],
       [ 0.33333333,  0.66666667],
       [ 0.16666667,  0.83333333]])

Comment

PREVIOUS	NEXT

Code Example
Python :: sklearn train test split
Python :: python get number of arguments of a function
Python :: drop 0 in np array
Python :: pandas groupby multiple columns
Python :: hex to string python
Python :: sort a dict by values
Python :: Display head of the DataFrame
Python :: how to use drf permission class with class method actions
Python :: python replace one character into string
Python :: django choicefield empty label
Python :: collections counter sort by value
Python :: compare multiple columns in pandas
Python :: concatenation of array in python
Python :: python list last element
Python :: python dictionary pop key
Python :: how to join tables in python
Python :: Word2Vec 4.0 Gensim model python dataframe
Python :: django override delete
Python :: series to dataframe
Python :: python integer to octal
Python :: python telegram bot login
Python :: axios django post
Python :: a int and float. python
Python :: flask run
Python :: conv2 python
Python :: csv read python
Python :: matrix diagonal sum leetcode
Python :: matplotlib histogram frequency labels
Python :: torch print full tensor
Python :: python argparser flags

Search

PYTHON

numpy array divide each row by its sum

ADD CONTENT