if np.random.rand() < CROSSOVER_RATE:
时间: 2023-11-20 11:21:02 浏览: 101
随机函数(rand)
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This code snippet belongs to a genetic algorithm, where `CROSSOVER_RATE` is a hyperparameter that determines the probability of two individuals in the population exchanging genetic information (crossover operation).
If `np.random.rand()` returns a value less than `CROSSOVER_RATE`, then the crossover operation will be performed, otherwise it will be skipped. `np.random.rand()` returns a random float value between 0 and 1.
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