使用选择操作 mathematica 中的列表 [英] manipulate list in mathematica with select

问题描述

我已将一些数据导入 Mathematica.数据将类似于

I have imported some data into Mathematica. The data will look similar to

{{0,2},{2,3},{4,3},{5,4},{8,4}}

我想丢弃 x 值小于给定值的所有元素，或者创建一个包含 x 值大于此值的数据的新列表.我认为 Select 应该完成这项工作，但我不知道如何.

I want to throw out all elements for which the x-values are smaller than a given value or create a new list that contains the data for which the x-values are larger than this value. I assume that Select should do the job but I don't know how.

预先感谢您的帮助.

推荐答案

怎么样

 data = {{0,2},{2,3},{4,3},{5,4},{8,4}};
 filtered = Select[data, First[#]>3&];

在哪里用给定的值替换 3?

where you replace 3 with your given value?

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