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arrays - 从 MATLAB 工作区的列中选择特定行到数组中

转载 作者:行者123 更新时间:2023-11-29 13:06:34 26 4
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我有一列在这些行中填充了数据,我想从该列中选择第一行但跳过第二行并选择之后的第三行并将它们插入数组。

行的例子:

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基本上,我想选择第一行,即 153....282,然后选择第三行,即 30...1661 和相应地对所有其他行重复此过程。然后我想从那里将​​这些数据插入到一个数组中。

这些数据的来源是我导入工作区的 PostgreSQL 数据库。

这可能吗?

最佳答案

如果我理解正确,这应该可以工作:

output = data([1 3],:);

这会选择 data 的第一行和第三行,并将它们添加到名为 output 的新变量中。要选择每个奇数行,请使用冒号符号和 end 关键字,如下所示:

output = data(1:2:end, :);

这从第一行开始选择每第二行直到结束。

关于arrays - 从 MATLAB 工作区的列中选择特定行到数组中,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/9350540/

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