分段连续函数

词组短语

piecewise continuous function · sectional-continuous function

与分段连续函数相关的网络例句 [注：此内容来源于网络，仅供参考]

We firstly look back thebirth of SD method,and then present the SD scheme presented by Johnson et.al.forlinear problem to explain the basic idea and implementation:At step 1,we change the testfunctionwhere(1,β)t is the streamline or character direction decidedby hyperbolic operator of the continuous problem,therefore the SD method belongs tothe Petrov-Galerkin method;At step 2,we adopt time-space finite element space,whoseelement is only continuous in space variables x but discontinuous in time variable t.

首先回顾了SD方法的产生过程，然后以线性问题为模型，描述了SD方法的基本思想和具体实现：第一步，将标准有限元方法的检验函数ν改成其中(1，β)t是连续问题的双曲算子部分所确定的流线方向。换言之，SD方法是一种Peterov-Galerkin有限元方法；第二步，采用时空有限元空间，其元素关于空间变量x是连续的，但关于时间变量t仅分段连续。

Simple step function, discontinuous function characterized by continuous segments between points of discontinuity and continuous function, and multi--type of components in a redundancy subsystem considered, a mixed integer nonlinear planning model for redundancy and reliability optimization was presented.

考虑子系统中冗余组件的多样性以及可靠性-成本之间可能的三种函数关系，即简单的阶跃函数、连续函数以及分段连续而在分段点不连续的非连续函数，建立了可靠性冗余优化的混合整数非线性规划数学模型，并以实例进行了说明。

In ordor to weave the varied weft density fabric of which weft distribution pattern is prescribed in sections,the definition field of fabric′s weft density function is divided into continuous and discrete intervals according to the variation characteristics of weft density of fabric.

为织造出分区段设定纬密变化的疏密纬织物，根据织物的纬密变化特点，把织物纬密函数的定义域分成连续区间和离散区间；在此基础上，对于分段连续且可能存在间断点的连续区间，建立了卷取量方程；分析并确定了织物各纬卷取量的解区间，给出了卷取量的求解方法——以解区间足够小为解判据的二分法，并阐明了求解方法在间断点处的有效性；对于由离散点构成的离散区间，给出了区间端点卷取量的取值方法和区间中各纬卷取量的确定方法。

Weft distribution pattern and its input of fabric with varied weft density ;2. In ordor to weave the varied weft density fabric of which weft distribution pattern is prescribed in sections,the definition field of fabric′s weft density function is divided into continuous and discrete intervals according to the variation characteristics of weft density of fabric.

为织造出分区段设定纬密变化的疏密纬织物，根据织物的纬密变化特点，把织物纬密函数的定义域分成连续区间和离散区间；在此基础上，对于分段连续且可能存在间断点的连续区间，建立了卷取量方程；分析并确定了织物各纬卷取量的解区间，给出了卷取量的求解方法——以解区间足够小为解判据的二分法，并阐明了求解方法在间断点处的有效性；对于由离散点构成的离散区间，给出了区间端点卷取量的取值方法和区间中各纬卷取量的确定方法。

Then, with the assumption that the consumption of an investor is the continuous or piecewise continuous function of time, the corresponding optimal investment decision and the effective frontier are derived by using the stochastic linear-quadratic control.

假设投资者的消费是时间的连续函数或者分段连续函数，应用线性二次随机控制的方法得到了这两种情形下的最优投资决策和有效前沿。

Secondly, based on the piecewise continuous Lyapunov function andconstant Lyapunov function, the problems of robust guaranteed cost control forparametric uncertain sampled-data control systems are investigated by using the jumpsystem model and linear matrix inequality technique.

然后，针对参数不确定采样系统的鲁棒保性能控制问题，利用跳变模型和线性矩阵不等式技术，分别基于分段连续Lyapunov函数方法和定常Lyapunov函数方法研究了采样系统的鲁棒保性能控制器综合问题。

A new simplified three-dimensional piecewise continuous autonomous system (a modified model of unified chaotic system) was introduced by replacing a quadratic nonlinear term in a unified chaotic system with a piecewise linear signum function.

通过用分段线性符号函数替换统一混沌系统中部分二次项，得到一个新分段连续的自治系统(称为统一混沌系统修改模型)。

This paper studies the changing rule of final azimuth AHT under het AllAzimuthal Twisting condition of directionally drilled well in depth.

提出扭转后最终方位角对设计方位、起始方位、设计位移、起始位移、扭转率的函数是分段连续函数。

Error analysis and estimation of the second order extended state observer were done by noncontinuous piecewise Lyapunov function, and the system stability were proved by multiple Lyapunov function method.

利用非连续的分段Lyapunov函数进行二阶扩张状态观测器的误差分析与估计，并用多Lyapunov函数方法证明了系统的稳定性。

Several improvements has been made to the existing error analysis as follows: considering the complete form of the fal function in the error analysis; choosing the noncontinuous piecewise Lyapunov function to get better choose rule of parameters; giving the judging criteria of error convergence for the ESO with different parameters and the convergence value of the error.

在现有误差分析的基础上做了如下改进：误差分析中考虑fal函数的完整形式；选用非连续的分段Lyapunov函数，得到了更好的参数选取规则；给出了不同参数下扩张状态观测器误差收敛的评价标准以及误差收敛值。

与分段连续函数相关的网络解释 [注：此内容来源于网络，仅供参考]

piecewise continuous function：分段连续函数

piecewise continuity 分段连续性 | piecewise continuous function 分段连续函数 | piecewise differentiable function 分段可微函数

piecewise continuous function：分段连续函数=>区分的連続関数,断片的連続関数

piecewise continuous differentiable function 分段连续微分函数 | piecewise continuous function 分段连续函数=>区分的連続関数,断片的連続関数 | piecewise Fourier spectrum 分段傅里叶频谱

piecewise differentiable function：分段可微函数

piecewise continuous function 分段连续函数 | piecewise differentiable function 分段可微函数 | piecewise linear element 分段线性元素

piecewise continuity：分段连续性

pictogram 象形图 | piecewise continuity 分段连续性 | piecewise continuous function 分段连续函数

piecewise continuous differentiable function：分段连续微分函数

piecewise continuity 分段连续性 | piecewise continuous differentiable function 分段连续微分函数 | piecewise continuous function 分段连续函数=>区分的連続関数,断片的連続関数

piecewise continuous differentiable function：分段连续可微分函数

piecewise continuity 分段连续性 | piecewise continuous differentiable function 分段连续可微分函数 | piecewise linear discriminant function 分段线性判别函数

piecewise linear discriminant function：分段线性判别函数

piecewise continuous differentiable function 分段连续可微分函数 | piecewise linear discriminant function 分段线性判别函数 | piecewise linear function 分段线性函数

piecewise continuous：分段连续的

piecewise bilnear function 分段双线性函数 | piecewise continuous 分段连续的 | piecewise fitting 分段拟合

piecewise continuous：片段连续

逐段逼近法 piecewise approximation method | 片段连续 piecewise continuous | 分段连续函数 piecewise continuous function