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本文提供了正确处理题目所指问题的简法,并和其他方法作了比较,认为所提供的方法是现有处理这类数据的方法中最简便的一个,而且是比较可靠的。不愿推敲其数学原理的读者可以直接通过例题掌握方法。文中还指出了处理这类数据时可能发生的错误。
This article provides a concise method for correctly dealing with the issues referred to in the title and compares it with other methods and considers that the method provided is the simplest and the more reliable one for existing methods of dealing with this type of data. Readers do not wish to deduce its mathematical principles can grasp the method directly through examples. The article also pointed out that the possible errors in dealing with this type of data.