查询词典 difference equation

We estimate the parameter with least square method according to the difference equation

我们根据差分方程用最小二乘法来估计参数。

And with this method, an implicit difference equation for solving the unsteady transonic flow with Euler equations is established.

在此基础上建立了可用于跨音速非定常流动的Euler方程隐式求解法。

It was showed that the Richards polymorphic site index model could be directly derived by using the difference equation.

研究发现：利用差分方程途径可以直接推导出全新的Richards多形地位指数模型。

Under suit upper and lower solution, iteration sequences were constructed, and existence and unique of solutions of linear boundary value problems on second order nonlinear Hammerstein type integro-differential-difference equation were obtained by means of applying the Arzela-Ascoli theorem Lebesque control convergence theorem and disproof method.

在上下解存在的条件下，构造迭代序列，由Arzea-Ascoli定理和Lebesque控制收敛定理得到了二阶非线性Hammerstein型积分微分差分方程的线性边值问题的解的存在性。再利用反证法获得了解的唯一性。

From finite difference equation of unsteady-state heat conduction ,according to vonNeumann method about scheme stability,the explicit scheme stability condition of two dimension computational heat conduction was given.

从非稳态导热的离散方程出发，根据VonNeumann的格式稳定性判别方法，给出二维导热数值计算显式格式的稳定性条件。

In this article, we will discuss a class of classical questions had been solved by Recurrence Relation, Difference Equation, and Euler's Formula, etc..

在这篇论文里，我们将要讨论一类古典的问题，这类问题已经经由许多方法解决，例如：递回关系式、差分方程式、尤拉公式等等。

The text is detailed to study the deducing process of the nodal finite difference equation, and to study its application hi the rock mass engineering problems.

本文详细研究了节点有限差分运动方程的推导过程，以及在岩土工程问题中的应用。

It is show that if one chooses the field points appropriately, the set of finite difference equation is applicable for a boundary condition involving perfectly conducting surfaces.

如果选定恰当的域点，差分方程组加上适用的边界条件可以很好的模拟表面。

To gain some idea of the accuracy of the finite difference equation, we have used the system (14a)-(14c) with the initial E, being a half sine wave for the case of no obstacle.

获得一些想法的正确性有限差分方程，我们所使用的系统(14a的规定)-(14c)与最初的E、半正弦条件下的任何障碍。

Methods in discrete mathematics, such as finite difference equation, simulation, coding, etc. The related cases are "Mortgage loan and other financial problems","Simulation of inventory problem","Adding cipher and extricating for Hill code", and "Input-output analysis".

某些离散问题的数学方法(差分方程问题，仿真方法，密码学等)，这部分内容相应的教学案例是"个人住房抵押贷款与其他金融问题"，"库存问题的仿真方法"，"Hill密码的加密、解密和破译"和"投入产出分析"等

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。