Geometric series
01
幾何級数, 等比数列
a series of numbers in which each term after the first is found by multiplying the previous term by a fixed, non-zero number
例
The geometric series 2, 4, 8, 16, ... has a common ratio of 2.
幾何級数 2、4、8、16、...の共通比は2です。
Financial calculations often use geometric series to model compound interest.
金融計算では、複利をモデル化するために幾何級数がよく使われます。
