“summation notation”的概念、定义、习题解题方法及翻译-数学辞典

单词

summation notation

释义

summation notation

The finite series a1+a2+…+an can be written, using the capital Greek letter sigma, as

Similarly, for example,

(The letter ‘r' used here is a dummy variable and so could be replaced by any other letter.) In a similar way, the infinite series a1+a2+…can be written as

The infinite series may not have a sum to infinity or limit but, if it does, the same abbreviation is also used to denote this limit

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数学辞典收录了4151条数学词条，基本涵盖了常用数学知识及数学英语单词词组的翻译及用法，是数学学习的有利工具。