summation formula

基本解釋

In order to overcome the demerit of the slowness of the series convergence, we put forward the series summation formula.
為了克服級數(shù)收斂緩慢的缺點(diǎn)，提出級數(shù)求和公式。
The formula of finite summation of K Steps arithmetic progression is seeked out by using the summation function of power series.
用冪級數(shù)和函數(shù)的思想來給出階等差數(shù)列求有限和的公式。
To avoid the effect of unidirectional layered compression summation method without considering side swell, the approximate calculation formula for estimating sluice(dam) foundation sinking is derived.
為避免單向分層壓縮總和法不計(jì)側(cè)脹（限）對沉降計(jì)算的影響，推導(dǎo)了一套計(jì)算閘（壩）基礎(chǔ)沉降的近似計(jì)算公式。