0 1/2 1/3 0 1/4 5 /7 Figure 2:HarmonicPartials 当s=l时，黎曼C函数恰好是调和级数(harmonic series) 0)=∑=1++3+…+ 11 1 n 十… n=1 上式一般称为调和级数(harmonic series).该名称源自和声(harmony). 2Figure 2: HarmonicPartials  s = 1 ûßi˘ ζ ºÍT–¥N⁄?Í(harmonic series) ζ(1) = X∞ n=1 1 n = 1 + 1 2 + 1 3 + · · · + 1 n + · · · ˛™òÑ°èN⁄?Í(harmonic series). T¶° g⁄((harmony). 2