在Python中,可以使用random模块来生成随机数组。random模块中有一些生成随机数字的方法,例如random.randint, random.random, random.uniform, random.randrange等函数,均是在返回指定范围内的一个整数或浮点数。下面是一个使用numpy模块生成随机数组的示例代码:
python
import numpy as np
# 生成一个3x3的随机数组
arr = np.random.rand(3, 3)
print(arr)
输出结果:
[[0.12685479 0.78176696 0.45189948]
[0.56128277 0.93544895 0.74839612]
[0.16722523 0.62155819 0.94867433]]
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