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reshape时arange中的元素
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numpy会自动将数据扩展到高维度
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randint需要给范围size
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行row,列col
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主要是拉成一维进行迭代
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这样加维度无法自动传播,而是会往外套
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list可以放很多对象,但是维护成本高,运算速度慢,但是numpy中的arry解决了这种问题,它里面只可以有一种数据类型
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reshape时arange中的元素
numpy会自动将数据扩展到高维度
randint需要给范围size
行row,列col
主要是拉成一维进行迭代
这样加维度无法自动传播,而是会往外套
list可以放很多对象,但是维护成本高,运算速度慢,但是numpy中的arry解决了这种问题,它里面只可以有一种数据类型
本文标题:笔记-numpy
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