Tensor

The np.array and np.ndarray are tensor.

Array

Simple access will reduce the dimension



In [2]:

    
import numpy as np
test = np.array([[1, 2], [3, 4], [5, 6]])



In [3]:

    
test[:,0]









    Out[3]:





array([1, 3, 5])



In [4]:

    
test[1,:]









    Out[4]:





array([3, 4])



In [5]:

    
test[:,[0]]









    Out[5]:





array([[1],
       [3],
       [5]])



In [ ]: