Python利用numpy.random模块生成随机数的方法

numpy.random.rand(m,n,p,q…)

生成0到1之间的n个随机数，参数是shape

#传入单个参数import numpy as npdata=np.random.rand(3)print(data)输出：[0.42487743 0.92537519 0.53686567]

#传入两个参数：输出一个值在0-1之间的三行四列数组import numpy as npdata=np.random.rand(3,4)print(data)输出：[[0.98377973 0.85092775 0.7504745 0.14616559][0.82135553 0.47096988 0.43921536 0.52325622][0.25834071 0.3646412 0.88872318 0.24679017]]

numpy.random.randn（d0,d1,d2）从标准正态分布中返回一个或多个样本,参数是shape

import numpydata=numpy.random.randn(3,4)print(data)输出：[[-1.00371958 1.47718184 0.70418891 0.84347875][-0.34671091 1.9922 -1.49002216 1.58234722][-0.05994912 0.08149479 -1.10874929 -0.88186209]]

numpy.random.randint（m,n,size）（[m,n)）左闭右开

import numpydata=numpy.random.randint(1,100,