Grandi's seriesとは 意味・読み方・使い方

固有名詞

Grandi's series

1. (mathematics) The divergent infinite series ${\displaystyle \sum _{n=0}^{\infty }(-1)^{n}=1-1+1-1+\cdots .}$

使用する際の注意点

Rigorous summation methods assign a value of 1/2 to Grandis's series. See Summation of Grandi's series on Wikipedia.