Research any topic before you write.
Find related topics. | Discover entities. | See connections. | Build a topical map.
Alternating series: Examples, Approximating sums & Rearrangements
In mathematics, an alternating series is an infinite series of terms that alternate between positive and negative signs. In capital-sigma notation this is expressed ∑ n = 0 ∞ ( − 1 ) n a n {\displaystyle \sum _{n=0}^{\infty }(-1)^{n}a_{n}} or ∑ n = 0 ∞ ( − 1 ) n + 1 a n {\displaystyle \sum _{n=0}^{\infty }(-1)^{n+1}a_{n}} with an > 0 for all n.
Language: English [EN]
