初值问题的时间积分经常采用差分近似。
Time integration of an initial value problem USES the finite difference scheme quite often.
对于初值问题，采用上下解的单调迭代方法求解。
Upper lower solutions method and monotone iterative technique are applied to initial value problem.
考虑了一类广义的对称正则长波方程的周期初值问题。
The periodic initial value problem of a class of generalized symmetric regularized long wave equations is considered.
获得了一类一阶可变号非线性奇异初值问题的新结果。
New existence results are presented for the first-order nonlinear singular initial problems. Here the non-linearity can change the sign.
研究具非线性耗散项的强迫拟线性波动方程的初值问题。
We consider the initial value problems of forced quasilinear wave equation with nonlinear dissipation.
一维扩散方程初值问题可以用全域或子域精细积分求解。
The initial problem of one dimensional diffusion equations can be solved by using global or sub domain high precise integration method.
本文介绍常微分方程初值问题在MATLAB中的解法。
The solutions of initial value problem for ordinary differential equations in MATLAB were introduced in this paper.
适定的正压原始方程组广义初值问题解析解的计算程序。
Present the computer program for finding an analytic solution of well-posed barotropic primitive equations' general initial value problem.
适定的大气环流方程组广义初值问题解析解的计算程序。
Present the computer program for finding an analytic solution of well-posed atmospheric circulation equations' general initial value problem.
可用单内点子域精细积分，求解对流-扩散方程初值问题。
Initial value as a problem of convection diffusion equation can be solved by applying fine integral of single inner point subdomains.
本文讨论半线性拟双曲型积分微分方程的初边值和初值问题。
The initial boundary value problem and initial value problem for the semilinear pseudo-hyperbolic integrodifferential equation are considered.
文摘：获得了一类一阶可变号非线性奇异初值问题的新结果。
Abstract: New existence results are presented for the first-order nonlinear singular initial problems. Here the non-linearity can change the sign.
可用单内点子域精细积分法，求解二维抛物型方程初值问题。
The initial-value problem of two-dimensional parabolic equation can be solved by using meticulous integration of single inner point subdomain.
本文主要讨论了带时滞超前PD型迭代学习控制的初值问题。
This article mainly study the initial value problem of time-delayed PD-type ILC.
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.
利用这个结果还求出了该方程组的初值一初值问题的精确解。
Moreover, the exact solution of a corresponding problem with initial boundary conditions is also given.
讨论非线性变延迟微分方程初值问题一般线性方法的稳定性。
The stability of general linear methods for a nonlinear multi-delay differential equation;
利用这一公式建立了常微分方程初值问题的正交多项式拟合算法。
By using this formula, orthogonal polynomial fitting algorithm for initial value problems of ordinary differential equations is established.
传统的射线追踪方法包括初值问题的试射法和边值问题的弯曲法。
The traditional raytracing methods comprise the try-shooting method of the initial value problem and the bending method of the border value problem.
运用即时学习算法来解决一类非线性系统的迭代学习控制初值问题。
A method is proposed to solve the problem of the initial control input using lazy learning method.
特别当方程的初值问题的解不唯一时，研究解集的结构具有重要的意义。
It is very important to study the structure of solution set especially when the solution of the initial value problem of equations is not a single one.
研究了奇异线性系统初值问题解存在唯一的充要条件，并给出了其求解公式。
Sufficient and necessary conditions for existence and uniqueness of solutions for initial value problems of singular system are studied in this paper, and the formula of solution is given.
用求解常微分方程及其初值问题的方法得到由函数方程表示的基本初等函数。
The basic elementary functions represented by functional equations were obtained by using the methods of solving ordinary differential equations and initial value probe.
若给定分离变量形式的初值函数，则初值问题的精确解也是分离变量形式的。
If the initial value function of an initial value problem is in the form of separated variables, then its exact solution is also in the form of separated variables.
本文研究了理想气体的带线性退化阻尼项的可压缩欧拉方程组的真空初值问题。
The Cauchy problem of Euler equations with degenerate linear damping for a perfect gas is studied in this paper, while the initial gas lies in a compact domain.
本文研究了一类高维广义神经传播方程初值问题的广义解整体存在性和唯一性。
In this paper, the global existence and uniqueness of mild solution for the cauchy problem of a class of generalized equations of pulse transmission type with higher dimension are studied.
利用能量范数的导数的性质，将超越特征值问题转化为常微分方程的初值问题。
And by using the property of derivatives of energy norms, the eigenproblem is transformed safely into a specific initial value problem of an ordinary differential equation.
特别地，研究了它的广义初值问题并给出实例，以与非静力平衡的情况进行比较。
Especially, the generalized initial value problems are investigated and the cases are given in order to comparison with those under the non-hydrostatic equilibrium.
本文证明了一类二阶非线性双曲—抛物耦合方程组小初值问题整体解的序在唯一性。
In this paper, we prove the global existence and uniqueness of the solutions of the small initial value problems for a class of second order nonlinear hyperbolic - parabolic coupled systems.
本文证明了一类二阶非线性双曲—抛物耦合方程组小初值问题整体解的序在唯一性。
In this paper, we prove the global existence and uniqueness of the solutions of the small initial value problems for a class of second order nonlinear hyperbolic - parabolic coupled systems.
应用推荐