python怎样引用numpy

Question

python怎样引用numpy

Answer 1

你得先下载numpy，在mac的terminal或者windows的cmd里面输入命令行1pip install numpy然后再1import numpy

Answer 2

import numpy as npx = 1.0y = np.sin(x)print(x, y)A = np.array([[1, 2], [3, 4]])print(A)