python array shape

1、empty(shape[, dtype, order]) 依据给定形状和类型(shape[, dtype, order])返回一个新的空数组。 参数: shape : 整数或者整型元组 定义返回数组的形状; dtype : 数据类型,可选 定义返回数组的类型。 order : ‘C’, ‘F’}, 可选

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