When he plugged that wind-force equation into his model and assumed that the probability of a branch breaking due to wind stress is constant, he came up with Leonardo's rule.
他将风力公式应用到他的模型中，并假定树枝受到风力作用而断裂的概率是恒定不变的，据此他推导出了达·芬奇公式。
This paper introduces the problems of some identical equation solved by the numerical characters of the classic probability and stochastic variable.
介绍了用古典概率和随机变量的数字特征来解决数学分析中的一些恒等式问题。
Coupled Volterra type integral equation systems for ultimate ruin probability, severity of ruin and joint distribution of surplus before and after ruin are also obtained.
对于毕竟破产概率，结合维他里型积分方程系统，得到了破产的严重性以及破产前和后的剩余额的联合分布。
A fundamental nonlinear motion equation about motor protein subject to random force and random potential is derived. The expression of the probability flux of this system was obtained.
考虑在随机力和随机势的共同作用下，建立了马达蛋白所满足的非线性运动方程，并得到了系统的几率流密度。
Equation 1. 1-11 is thus a statement of the conservation of particle probability.
因此等式(1.1- 11)可以作为粒子几率守恒的表达式。
Based on the data of radar flight for test, the method applies radar equation to estimate the detection probability of gridding center.
该方法采用空间分割算法建立网格，以雷达检飞资料作为基础数据，用雷达方程推算各个网络中心的探测概率。
The commutative equation of probability flow is deduced and its definite solution is given.
推导了转换的概率流方程并给出了其定态解。
Based on the principle of Brownian motion, the ore drawn stochastic processes are analyzed and the probability density equation of loose bodies is thoroughly discussed and given in this paper.
通过对放矿随机过程的分析，提出了以布朗运动为理论基础的放矿过程散体颗粒移动的概率密度方程。
This paper is using some knowledge of difference equation related to probability theory. and the Discussion solves the dispersed probability question.
本文通过与概率论有关的差分方程知识，讨论用差分方程解决离散型概率。
This is a probability problem, called it probability differential model because it's solved by differential equation.
这是一个概率问题，但用微分方程解决，故称概率微分模型。
Using method of Fokker-Planck equation, effects of electrical current in RL circuit are discussed, and the effects of noise parameters on stationary probability distribution are analysed .
利用福克-普朗克方程的方法，讨论了RL回路中热涨落产生的电流效应，分析了噪声参数对电流定态几率分布函数的影响。
Using the ordered cumulant technique, we obtain the differential equation for the joint probability density.
用序累积方法推导了系统的联合几率密度演化方程。
By using the unified colored noise approximation method, the master equation for probability density, the steady state probability distribution function and its extrema equation are derived.
讨讼色泊松噪声驱动系统，利用统一色噪声近似方法，得到系统几率密度主方程，定态几率分布函数及其极值方程。
Based balance equation of transfer coefficient method that widely used in domestic, applying checking point method recommended by JCSS, establish probability analysis for stability of slope model.
以国内广泛使用的传递系数法的平衡方程为基础，运用“国际结构安全度联合委员会(JCSS)”推荐的验算点法建立土坡稳定性概率分析模型。
Equations of mass, momentum and second moments for particulate phase are derived from a particle PDF (probability distribution function) equation in dilute turbulent sediment-laden flows.
从颗粒运动的PDF(概率密度分布函数)输运方程出发建立颗粒相的质量、动量和脉动速度二阶矩方程。
Then a rock damage evolutional equation was proposed by the authors based on theory of fuzzy probability measurement, and on micro-analysis and macro-observations.
并从微观分析到宏观现象，由模糊概率测度思想提出了岩石损伤累积方程。
Some key concepts in degradated failure of materials is discussed. The stochastic evolution equation of defect clusters is given and the failure probability reliability and failure rate are derived.
本文讨论了材料退化失效的基本概念，给出了微观结构随机演化的动力学方程，统一导出了失效几率，可靠性、失效几率密度、失效率和平均寿命。
From a probability basic equation through mathematical deduction, a probability integral equation is set up in constraint condition of non-normal distribution.
从概率基本公式出发，在偏态分布的约束条件下，经数学推导；建立概率积分式。
The bit length of flow ID selected under given confliction probability can be conducted from an equation deduced from the observing window and flow ID range.
给定冲突概率时，该流标识的比特长度可以根据一个由观察窗口和流ID值域导出的关系式求出。
By recursive method and Martingale method, we derive the integral equation for the survival probability and obtain the exponential inequality for the ruin probability.
本章主要通过递推方法和鞅方法得出生存概率所满足的积分方程以及破产概率上界。
The Schrodinger equation acts on the entire probability amplitude, not merely its absolute value.
方程作用于整个概率振幅，而不只是其绝对值。
The solution of this fractional order advection-dispersion equation is fractional stable probability distribution density with four parameters.
此方程的柯西问题的格林函数解是一分数稳定分布密度函数。
For solving the neutron transport equation in complex geometry, the discrete direction probability method (DDPM) is developed.
研究了一种可以在复杂几何条件下求解中子输运方程的离散方向概率方法(DDPM)。
We solved the equation of electron escape probability from the Schrodinger equation, and calculated the emitted electron energy distribution of GaAs photocathodes.
通过求解薛定谔方程，得到了电子逸出几率表达式，并计算了阴极的电子能量分布。
Assuming distribution statistical probability of micro-units strength, statistical damage variable is defined; and the statistical damage constitutive equation is proposed under triaxial.
假定软岩微元强度分布统计概率，定义软岩的统计损伤变量，依据统一强度理论建立三轴应力状态下软岩的损伤统计本构模型。
Differential equation and probability limit theorem have been widely used in the mathematical model of biological population growth.
以往关于生物种群增长的数学模型多是用微分方程和概率极限定理的方法来推导的。
This paper introduces the problems of some identical equation solved by the numerical characters of the classic probability and stochastic variable.
文章给出一个古典概率问题的两个解法，从而导出几个有趣的等式。
The differential and integral equation for survival probability and a upper bound of ruin probability are given by using renewal theory and stochastic process approach.
利用更新理论和随机过程等方法，给出了模型生存概率所满足的微积分方程关系式和破产概率的一个上界估计。
This paper introduces the problems of some identical equation solved by the numerical characters of the classic probability and stochastic variable.
本文给出一个不定方程非负整数解的组数的组合计数公式，说明了它在求解一类与数字有关的古典概率方面的应用。
This paper introduces the problems of some identical equation solved by the numerical characters of the classic probability and stochastic variable.
本文给出一个不定方程非负整数解的组数的组合计数公式，说明了它在求解一类与数字有关的古典概率方面的应用。
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