NumPy中提供了许多内置算术函数。
# Python program to demonstrate
# basic operations on single array
import
numpy as np
a =
np.array([1, 2, 5, 3])
# add 1 to every element
print
("Adding 1 to every element:", a+1)
# subtract 3 from each element
print
("Subtracting 3 from each element:", a-3)
# multiply each element by 10
print
("Multiplying each element by 10:", a*10)
# square each element
print
("Squaring each element:", a**2)
# modify existing array
a *=
2
print
("Doubled each element of original array:", a)
# transpose of array
a =
np.array([[1, 2, 3], [3, 4, 5], [9, 6, 0]])
print
("\nOriginal array:\n", a)
print
("Transpose of array:\n", a.T)
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