In this paper, some especial higher power equation be enumerated, just like Binomial equation or Reciprocal equation, for people cannot fine common extract roots formula about five and above power equation. 基于五次或五次以上方程没有一般通用的求根公式,本文列举了一些特殊的高次方程的解法。
In the paper, on the basis of the binomial productivity general formula, the change law of the binomial coefficient "B" is theoretically derived in consideration of the investigation radius and its corresponding permeability change. 文章基于气井二项式产能方程通式,考虑探测半径及对应渗透率的变化,从理论上推导了二项式系数B的变化规律。
Three methods-structural volume, binomial formula and definite integral-can be employed to derive the formula for the snm of the K power of positive N term integer. The calculation can be made on the basis of them. 用构造体积、应用二项式定理、利用定积分的三种方法,导出正整数前n项k方和公式,并对此进行推算。
In this paper, according to constructing multinomial and series of functions concludes the counting formula of K-order centeral moment of binomial. poisson and geometric distribution and common form of these formula 构造一类特殊多项式及级数,由此推导了二项分布,泊松分布及几何分布K阶中心矩的递推计算公式,得到了这几个公式的统一形式
Non-Darcy binomial deliverability testing formula of horizontal gas wells 气藏水平井非达西流动二项式产能试井公式
Based on the differential factor approach, several practical transformation formulae between plane coordinate systems together with their application areas are proposed in this paper. These formulae are: improved power series formula, Taylor series formula, and Newton's binomial formula. 本文利用微分算子的方法,提出了坐标系统转换的几种实用公式,即:改进幂级数公式、台劳级数公式、牛顿二项式公式及应用范围。
This new formula is complementary with the classic CRR binomial option pricing formula and completes the binomial model. 比较分析了二项式期权定价量子模型新公式与经典CRR定价公式,指出此两者是互补存在的,有着各自不同的适用范围。
The Bayes sequential test for binomial distribution is discussed. The inspecting plan, calculation formula of average sample and risk are presented, and the contrast analysis is given. 论述了二项分布的Bayes序贯检验方法,推导了检验方案、平均试验数和风险计算公式,并进行了对比分析。
RESULTS: The binomial equation of the influencing factors and the optimized formula of roxatidine sustained-release tablet were available through spherical symmetric design, and the experimental result was in line with the predicted data. 结果采用球面对称设计法,可得到影响因素的二项式方程和优化处方,且试验值与预测值非常接近。
By means of martingale method and the theory of probability, the binomial pricing model of discrete up-and-out calls is studied and the formula is deduced, which extends the binomial pricing model of the European option. 然后利用鞅测度和概率论理论讨论了离散时间的上升敲出期权的二项式定价模型,并推导出其定价公式,此公式推广了标准的二项式定价公式;
The paper points out the defect in defining the load with the demand factor and binomial factor, puts forward the applicational conditions and the questions to be paid attention to, and gives a new formula. 指出供电设计中现有需用系数法和二项式系数法负荷计算方法存在的问题,提出了采用两种方法的应用条件和应注意问题,给出了一种新的补充算法。