From mechanisms with math and Python", Part 17← Previous Part 16: Vanishing Gradients — Why deep networks couldn't ...
运行结果会告诉你,Python里数字没有一个统一的Number基类,而是各自独立的类型。除了这四个内置类型,标准库还提供了 decimal.Decimal (高精度十进制小数)和 fractions.Fraction (有理数),这俩在金融计算、精确比较的场景里几乎是救命稻草。我后面会专门用一节来讲它们什么时候该上场。
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