harmonic series
(obsolete) sergeant
(organic chemistry) aminoacylation by an aminoacetyl group
of or pertaining to centralism
(mathematics, mathematical analysis) The divergent series whose terms are the reciprocals of the positive integers; the series ∑ₙ₌₁ ᪲1/n.
見た目は単純でも、正の整数の逆数からなる級数1 + 1/2 + 1/3 + …は発散し、直感に反する古典的な例を示します。
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