函数的积分

A quantity that has a limit or boundary.The limit of this ratio as the length of the arc approaches zero.

微积分学数学的一个分支，处理单变量或多变量函数的极限、微分以及积分问题

A differential difference type adaptive law and an adaptive iterative learning controller are constructed to ensure the asymptotic convergence of tracking errors in the sense of square error norm on the finite interval, by introducing a Lyapunov-like function, a sufficient condition of the convergence of the method is given.

通过引入微分－差分自适应学习律，设计了一种自适应控制策略，使得跟踪误差在一个有限区间上的积分渐近收敛于零；通过构造Lyapunov-like函数，给出了闭环系统收敛的一个充分条件。

By deleting integral singular point, the Green function and its far field asymptotic formula that is satisfied with radiation condition is obtained.

对兴波速度势表达式中的积分奇点进行了处理，得到满足辐射条件的格林函数和远场渐近解。

Using a method for storing the large-scale sparse matrix with varying band width, Cholesky decomposition, Green function and normalized least square fitting inversion, the paper improved the computing accuracy and efficiency in imaging calculation.

利用有限元方法实现了井间电磁成像，为了求取散射电磁场的积分方程组，运用了处理大型对称变带宽方程组的 Cholesky 分解法，反演时使用了格林函数和最小二乘法，既提高了反演速度又提高了反演质量。

By matching the traction along the cracks, Cauchy singular integral equations for the branch cracks in the circular region were derived.

通过裂纹面上的应力边界条件，建立一组以位错密度为未知函数的Cauchy型奇异积分方程。

The edge internal branch crack of half-plane can be considered as a superposition of many single cracks, thus a set of Cauchy singular integral equations can be formulated, where the distributing dislocation density serves as the unknown function.

将半平面边缘内分又裂纹问题看作是许多单裂纹问题的叠加，建立了以分布位错密度为未知函数的Cauchy型奇异积分方程组。

And we also study the absolute integrability and continuity of fuzzy-number-valued functions in the plane under consideration of different derivate bases.

最后讨论了在不同导数基意义下的模糊数值函数的绝对可积性和连续性问题，完善了非绝对模糊积分理论。

In Chapter 5, we discuss the lower semicontinuity and relaxation result of integralfunctionals in the BD space.

第五章讨论BD函数空间积分泛函的下半连续问题和松弛结果。

These two algorithms have not only solved certain function numerical integration problem but also have the accuracy quickly.

这两种算法不仅解决了某些函数的数值积分问题，而且具有快捷性、精确性。

To analyze the multimode feed antennas, the integral equation of the antenna is solved by using a method of moment with vector triangle basis function.

为了分析多馈源天线，采用矢量三角形基函数的矩量法求解天线积分方程。

This paper discusses design and realizable methods of remote test output interface from logical design angle.

本文从逻辑设计的角度讨论遥测输出接口的设计及实现方法。

This also 星体投射plies to buildings, structures and geological features.

这也适用于建筑物和地质特征。