证明了差分格式的收敛性与稳定性。
河网汇流采用隐式差分格式。
Drainage confluence is calculated by implicit difference scheme.
提出了一个隐式差分格式。
采用混合差分格式和SNIP方法进行数值求解。
推导出斜坐标系下，亥姆霍兹方程的五点差分格式；
The five-grid difference format of Helmholtz equation in slanting coordinate have been derived.
为使计算结果更加准确，采用了半点差分格式离散。
The half-point differencing method is used to get more accurate results.
这个方法使用了水土势双曲正弦变换的隐式差分格式。
The method is an implicit iterative scheme with a hyperbolic sine transform for the matric potential.
提供一种基于有限差分格式的数值方法为复合期权定价。
Based on the differential scheme, a numerical method of pricing compound options is presented.
采用交替显隐式有限差分格式对渗流场模型进行了求解。
The finite difference scheme - ADI method is used to solve the seepage field model.
构造了一维非定常自由面浅水流动的隐式守恒差分格式。
An Implicit conservative scheme for ID unsteady free - surface shallow water flows is presented.
一个好的和实用的差分格式应满足相容性、稳定性和收敛性。
A good and feasible difference scheme should satisfy the consistency, stability and convergence.
方程周期初值问题构造了其C-N，“蛙跳”混合差分格式。
V. equation. A mixing leap-frog and C-N finite difference scheme is proposed.
提供一种基于有限差分格式的数值方法为美式看跌期权定价。
Based on the differential scheme, presents a numerical method of pricing for American put options.
用变分原理在不规则结构网格上建立热流通量形式的差分格式。
Using the variational principle, the difference scheme with thermal-flux form in the irregular structured mesh is presented.
本文研究二维常系数反应扩散方程的紧交替方向隐式差分格式。
Secondly, a compact ADI difference scheme is presented by introducing a variable of intermediate value.
提出了应用“假想边界”求解数学模型的隐式差分格式的方法。
The method of solving the implicit scheme of difference equations by means of imaginary boundary condition was proposed.
在非正规六面体网格上，用变分原理建立扩散流形式的差分格式。
Using variation principle, the difference discrete scheme with diffusion flux form on the irregular hexahedral grid is constructed.
本文给出了数值求解一类偏积分微分方程的二阶全离散差分格式。
In this paper, the second order fully discrete difference method for a partial integro-differential equation is considered.
摄动有限差分（PFD）方法是构造高精度差分格式的一种新方法。
The perturbational finite difference method (PFD) is a new method of constructing high accurate difference scheme.
在考虑三维有界区域的一般情况下，提出了一类分数步长特征差分格式。
For a general case of three dimensional bounded region, we put forward a kind of fractional step characteristic difference schemes.
对于隐式差分格式，建议了一种交替方向追赶和外边界插值相结合的办法。
An alternating direction implicit difference scheme is proposed in combination with extrapolated treatment of the conditions on the outer boundary.
在给出非线性有限差分格式的稳定性条件时，所使用方法非常简单和有效。
The approach used is extraordinary simpleness and availability in gaining the stability condition of the scheme.
给出了解非线性对流扩散方程的线性修正的特征差分格式及交替方向格式。
Linear modified characteristic finite difference and alternating direction schemes are devised for nonlinear convection diffusion problems.
最后，对上述的两层有限差分格式在一定条件下进行了离散随机游走的解释。
Finally, the finite difference scheme was interpreted by a discrete random walk model under a certain condition.
本文对双曲-抛物偏微分方程奇异摄动问题构造了一个指数型拟合差分格式。
In this paper we constructed an exponentially fitted difference scheme for singular perturbation problem of hyperbolic-parabolic partial differential equation.
对一类特殊的非线性反应扩散方程进行完全离散，得到非线性的有限差分格式。
In the article, the fully discrete finite difference scheme for a special nonlinear reaction-diffusion equation is established.
用泰勒级数法推出直角坐标系下亥姆霍兹方程的七点差分格式和九点差分格式；
The seven-grid difference format and nine-grid difference format of Helmholtz equation in right coordinate in the way of Taylor series method have been derived.
所得的结论对于用显式或隐式差分格式解实际流动问题时，会有一定的指导作用。
The conclusions obtained in this paper will play a role in solving practical flow problems with explicit or implicit finite difference schemes.
伪抛物型方程中关于时间与空间变量的混合偏导项给差分格式的讨论带来了一定难度。
The mixed partial differential terms of time variables and space variables in the pseudo-parabolic equation make the discussion of the difference scheme more difficult.
伪抛物型方程中关于时间与空间变量的混合偏导项给差分格式的讨论带来了一定难度。
The mixed partial differential terms of time variables and space variables in the pseudo-parabolic equation make the discussion of the difference scheme more difficult.
应用推荐