Python to create a view() and copy() of NumPy arrays
codeaft@codeaft:~$ python3
...
>>> from numpy import *
>>> arr1 = array([1, 2, 3, 4, 5])
>>> arr2 = arr1.view()
>>> arr1
array([1, 2, 3, 4, 5])

>>> arr2
array([1, 2, 3, 4, 5])

>>> arr2[0] = 100
>>> arr2
array([100,   2,   3,   4,   5])

>>> arr1
array([100,   2,   3,   4,   5])

>>> arr1 = array([1, 2, 3, 4, 5])
>>> arr2 = arr1.copy()
>>> arr1
array([1, 2, 3, 4, 5])

>>> arr2
array([1, 2, 3, 4, 5])

>>> arr2[0] = 100
>>> arr2
array([100,   2,   3,   4,   5])

>>> arr1
array([1, 2, 3, 4, 5])
Comments and Reactions
What Next?
Python NumPy Arrays Comparison Python NumPy Mathematical Functions for Arrays Python indexing and slicing on NumPy arrays