Couple of differential equations.
几个微分方程。
Some of you may already have solved differential equations.
你们有些人也许已经，解出了微分方程。
Do you position yourself to catch a ball by solving differential equations in your head, on the fly?
当你试图接住一个飞行中的球时，是否会通过解微分方程来确定自己的位置？
Instead, to demonstrate the "red effect" I should have used an image of an elderly man solving a system of differential equations using a red pen.
相反，为了证明“红色效应”，我应该使用一张一个老男人用红笔求解微分方程系统的图像。
Over 1200 videos lessons covering everything from basic arithmetic and algebra to differential equations, physics, chemistry, biology and finance.
可汉学院（Khan Academy） -超过1200个视频教程，内容涵盖自基础算术、代数至微分方程、物理学、化学、生物学和金融学。
An analog computer used to solve differential equations.
用来解微分方程的一种模拟计算机。
This is called a normal system of differential equations.
这称为正规微分方程组。
This algorithm can also be applied to other nonlinear differential equations.
该算法也能应用到其它非线性微分方程中。
The overwhelming majority of nonlinear differential equations are not soluble analytically.
绝大多数非线性微分方程是不能用解析方法求解的。
The more recent research on differential equations is concerned with the qualitative theory .
对微分方程更近代的研究是关于定性理论。
Systems of linear differential equations can be handled by using the methods of linear algebra.
线性微分方程组可以应用线性代数中的方法求解。
I'm proud to say that I got a's in all my classes, including multivariable calculus and differential equations.
我很骄傲我门门功课都是A，包括多元微积分和微分方程。
The boundary value problem of ordinary differential equations is an important domain in differential equations.
常微分方程的边值问题是微分方程的一个重要研究领域。
The domain decomposition is a numerically approximating solution to partial differential equations on parallel computers.
区域分解算法是在并行机上求解偏微分方程数值解的一种方法。
This paper suggests a new way of finding solutions for linear systems of ordinary differential equations with constant coefficients.
本文给出常系数线性微分方程组一种新的求解方法。
The ordinary differential equation singular boundary value problem is one of the most important branches of ordinary differential equations.
常微分方程边值问题是常微分方程理论研究中最为重要的课题之一。
By using this formula, orthogonal polynomial fitting algorithm for initial value problems of ordinary differential equations is established.
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。
This graduate-level course is an advanced introduction to applications and theory of numerical methods for solution of differential equations.
这门研究生程度课程是对微分方程数值解法的应用和理论的高级导论。
Flexural functions satisfy the differential equations of plate and all the boundary conditions as well as the conditions at free corner points.
挠曲函数满足板的微分方程和全部边界条件、角点条件。
Exact response of damped linear vibrating systems to arbitrarily excitation is obtained according to theory of ordinary differential equations.
利用常微分方程组理论在较一般条件下求出了线性有阻尼多自由度振动系统对任意外激励的精确响应。
With variable substitution, several kinds of linear differential equations are solved and several sufficient and necessary conditions are obtained.
借助于变量代换，求解几类线性微分方程，并得到了几个求解的充分必要条件。
The adaptive finite element methods are very effective for solving partial differential equations in scientific researches and engineering designs.
自适应有限元方法是科学研究和工程设计领域中非常有效的一种求解偏微分方程的数值计算方法。
To solve the differential equations, we divide the sphere into two parts: inner part - a sphere with small radius and outer part - a spherical shell.
在微分方程求解过程中，把整个球体分成两部分：内部是球心附近的一个小球，外部为一球壳。
For the equations course, I was given a set of unpublished lectures that emphasized existence proofs and uniqueness of solutions to differential equations.
在方程课上，我听了一系列未公开的演讲，强调的是微分方程的解的存在证明及其唯一性。
I had to take a few extra courses during the next year, and I chose reading courses in modern algebra and differential equations for the summer afterwards.
在接下来的一年里我不得不上额外的几门课程，我选择在接下来的暑假修完近世代数和微分方程。
We have already stated that our main concern will be the study of systems for which linear, time-invariant differential equations provide a useful model.
前已指出：我们主要关心的是用线性、时不变微分方程作为实用的模型系统。
We have already stated that our main concern will be the study of systems for which linear, time-invariant differential equations provide a useful model.
前已指出：我们主要关心的是用线性、时不变微分方程作为实用的模型系统。
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