It is a difficult point to teach the students solving the wave equation on finite interval by the reflection law of the wave.
用波的反射原理求解有限区间上的波动方程是数学物理方程中的基本内容，也是教学中的难点内容。
In this paper, we present the computational methods of periodic orthogonal spline wavelets, which can be used to process the problems on the finite interval.
给出了周期正交样条小波的计算方法。用这种周期正交样条小波可方便地处理有限区间上的问题。
In both of these functions, if you want to wait for a finite time, you can specify the time interval in the second parameter.
在这两个函数中，如果您想等待有限的一段时间，则可以在第二个参数中指定时间间隔。
A new iterative learning control (ILC) updating law is proposed for the tracking control of continuous linear system over a finite time interval.
提出了一个新的迭代学习控制(ilc)更新律用于连续线性系统的有限时间区间跟踪控制。
And finally we prove that let a be a subset of real Numbers, if every continuous function which is defined on a and taken value in a has fixed point, then a is a finite closed interval.
最后还证明了对于实数的子集a，如果定义在A上取值于A内的任一连续函数都有不动点，则A为实数的有限闭区间。
Based on interval analysis and displacement finite element method, the static displacement response analysis of structure comes down to solve the interval finite element control equation.
现有的理论和方法采用区间分析和位移法有限元理论对其进行分析，最终归为位移法区间有限元控制方程的求解。
If a system can transfer toward arbitrary desired state from the arbitrary initial state within a finite time interval under the governing of the control action, then it has controllability.
系统在控制作用支配下能够在有限时间间隔内从任意初始状态向任意希望状态转移，则其具有能控性。
The finite element analysis of truss system with interval parameters under interval load is studied and the structural interval displacement and stress response are deduced.
构建了区间参数杆系结构在区间荷载作用下的分析模型，导出了结构的区间位移和区间应力响应区间变量表达式。
The static governing equations of interval finite element method (FEM) are always transformed into interval equations to solve.
区间有限元的静力控制方程常被归结为区间方程组来求解。
Based on resolution of interval Numbers and fuzzy resolution theorem, we develop a method of solving the structural fuzzy finite element equilibrium equations.
利用区间数的分解和模糊分解定理，研究了一种结构模糊有限元平衡方程的求解方法。
The idea of ILC is to gradually revise imperfect control input using the error between system output and the desired trajectory and realize perfect tracking in a finite time interval.
迭代学习控制的基本思想是基于输出信号与给定目标轨迹的偏差不断修正不理想的控制输入信号，实现在有限时间区间的完全跟踪任务。
From interval arithmetic, an analytical method of interval finite element of uncertain structure is presented by combining interval analysis with the finite element method.
根据区间运算规则，将区间分析与有限元方法相结合，提出了非概率不确定的结构的一种区间有限元分析的方法。
By representing the uncertain parameters as interval Numbers, the static governed equations of the structural system are obtained in this paper by means of the finite element method.
将结构系统中的不确定性参数用区间数来表示，用有限元法建立静力区间线性方程组。
By representing the uncertain parameters as interval Numbers, the static governed equations of the structural system are obtained in this paper by means of the finite element method.
将结构系统中的不确定性参数用区间数来表示，用有限元法建立静力区间线性方程组。
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