merge函数一配多
时间: 2023-09-11 14:12:39 浏览: 43
回答: 当使用merge函数时,可以将多个数组合并成一个多通道的数组。每个输入数组的元素将被视为输出数组的一个通道。可以使用Mat::at()方法来访问和操作特定通道的元素,例如channels.at(0)。\[2\]在pandas中,merge函数也可以实现类似Excel的VLOOKUP功能,可以将两个数据框按照指定的列进行合并。\[3\]
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