微分方程的积分

Then by using the Riemanns function of the operator and constructing an auxiliary problem, an integrodifferential equation equivalent to former problem is got.

然后利用该算子的Riemann函数，通过构造辅助问题，得到了一个等价积分微分方程。

The approximation of the parabolic integro-differential equations is studied with anisotropic biquadratic finite element.

摘要研究具有各向异性特征的双二次元对抛物积分微分方程进行了逼近。

The existence of periodic solutions of a neutral integro-differential equation with infinite delay was studied.

摘要本文考虑具无穷时滞中立型积分微分方程周期解的存在性。

We first consider the stochastic Dirichlet problem and from which we derive a system of integro-differential equations and the boundary conditions satisfied by the function.

首先，通过研究随机Dirichlet问题得到了Gerber-Shiu函数满足的积分-微分方程及边值条件。

We derive a homogeneous integro-differential equation with certain boundary conditions, describing the maximum surplus.

我们推导出破产前资产余额的最大值满足具有一定边界条件的齐次积分微分方程。

A new H^1-Galerkin mixed finite element method for hyperbolic type integro-differential equations is studied.

在半离散格式下，本文针对一类双曲型积分微分方程，研究了一个新的H^1-Galerkin混合有限元方法。

VB some arithmetic algorithm, the solutions to differential equations, and some integral function mapping tests, for beginners.

VB实现的一些数学运算算法，有解微分方程，定积分和一些函数绘图的测试，适合初学者。

The asymptote behavior of intermediate point in the Mean Value Theorem for integrals ;2. Based on numerical integrals , the model parameters are estimated from the differential equation without iterations, the method is very effective in overcoming large amounts of measurement noise in the output.

提出一种简单但鲁棒性强的传感器动态建模方法，该方法基于数值积分思想，能有效克服测量噪声，无需迭代即可直接从微分方程辨识出模型参数，所建模型阶次较低、准确度较高，且较易实现递推算法，为传感器改善动态特性、实现动态补偿提供一种有效方法。

By using the method of upper and lower solutions ,we obtain the existence of solutions for boundary value problem of second order integro differential equations of Volterra type in a normal cone.

利用上、下解法在正规锥上证明了二阶非线性Volterra型积分微分方程边值问题解的存在性。

This chapter deals with the existence of mild and strong solutions of a nonlinear integrodifferential systems of Sobolev type with nonlocal condition in Banach spaces.

本章在Banach空间中，用算子半群理论以及Schauder不动点定理讨论了一类非线性Sobolev型积分微分方程，在非局部初始条件下，适度解和强解的存在性。

Plunder melds and run with this jewel!

掠夺melds和运行与此宝石！

My dream is to be a crazy growing tree and extend at the edge between the city and the forest.

此刻，也许正是在通往天国的路上，我体验着这白色的晕旋。