标签:ros 二维 orm str numpy family font text 函数
import numpy as np
# 生成一个随机数组
np.random.randint(0,6,3)
# array([1, 1, 3])
# 生成一个随机数组(二维数组)
np.random.randint(0,6,(3,3))
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array([[4, 4, 1],
[2, 1, 0],
[5, 0, 0]])
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# 生成十个随机数在[0,1)之间
np.random.rand(10)
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array([0.9283789 , 0.43515554, 0.27117021, 0.94829333, 0.31733981,
0.42314939, 0.81838647, 0.39091899, 0.33571004, 0.90240897])
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# 从标准正态分布中随机抽选出3个数
np.random.standard_normal(3)
# array([0.34660435, 0.63543859, 0.1307822 ])
# 返回三页四行两列的标准正态分布数
np.random.standard_normal((3,4,2))
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array([[[-0.24880261, -1.17453957],
[ 0.0295264 , 1.04038047],
[-1.45201783, 0.57672288],
[ 1.10282747, -2.08699482]],
[[-0.3813943 , 0.47845782],
[ 0.97708005, 1.1760147 ],
[ 1.3414987 , -0.629902 ],
[-0.29780567, 0.60288726]],
[[ 1.43991349, -1.6757028 ],
[-1.97956809, -1.18713495],
[-1.39662811, 0.34174275],
[ 0.56457553, -0.83224426]]])
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2020-05-07
标签:ros 二维 orm str numpy family font text 函数
原文地址:https://www.cnblogs.com/hany-postq473111315/p/12844924.html