sum formula

Mean Values Formula Computation of Digital Sum Function

关于数字之和函数中的四次均值的计算

On Certain Hardy Sum and Its Hybrid Mean Value Formula

关于Hardy和的混合均值公式

A Formula of the Sum of Equal Power Series of Natural Number Problems

等幂和计算的一般公式及相关问题

A Method for Computing Reliability of Networks Based on Inclusion-Exclusion Principle and Disjoint Sum Formula

基于容斥原理与不交和公式的一个计算网络可靠性方法

Gives a fast border-deciding method for the two-dimensional linear discrete convolution. The convolution sum formula and its exact upper and lower borders of ten regions in the two-dimensional plane are also given.

导出了二维离散线性卷积的快速定限求解方法给出了在二维平面的十个区域中卷积的简便求和公式及卷积的上下限精确表达式。

With the help of Newton formula and Vieta theorem, iterative method was used to solve problems of power sum.

借助牛顿公式和韦达定理，采用迭代的方法求解类似于自然数等幂和的问题。

A recurrence formula of the coefficient of the sum of natural numbers power and the calculating formula of Bernoulli Number

自然数幂和公式系数的递推公式和有关Bernoulli数的计算公式

Products Sum Formula of GCD Matrix

最大公因数矩阵的积和式

In this paper, a general formula of sum of power series of natural number is given.

本文利用函数项级数,微分及排列组合等工具推导出了一个求自然数等幂和的一个一般公式.

In this paper, we show a formula for the arciform area enclosed with a parabola and a straight line by means of two kinds of clever separation and the knowledges of elements mathematics such as the sum formula of infinite decreasing geometric sequence.

文章运用两种巧妙的分割和利用无穷递缩等比数列求和公式等初等数学知识，求出了抛物线与相交直线围成的弓形面积计算公式。

The Integral Amplification and Minification of Finite Sum Formula and its Application

有限和式的积分放缩及应用