Python numpy.random模块 随机数模块
2022/2/28 17:21:40
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ref https://numpy.org/doc/stable/reference/random/generated/numpy.random.choice.html
import numpy as np np.random.seed(666) # Return random floats in the half-open interval [0.0, 1.0). print(np.random.random(size=[3, 6])) print(np.random.random()) # Return random floats in the half-open interval [0.0, 1.0). print(np.random.rand(3, 6)) print(np.random.rand()) # randint(low, high=None, size=None, dtype=int) # [low, high) or [0, low) print(np.random.randint(5, size=(2, 4))) # [low, high) .samples from a uniform distribution. print(np.random.uniform(-4, 4, 3)) # "standard normal" distribution. print(np.random.randn(3, 6)) print(np.random.randn()) # Generates a random sample from a given 1-D array print(np.random.choice(5, 3, p=[0.1, 0, 0.3, 0.6, 0]))
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