查询词典 piecewise differentiable function

Software Description: About Nuclass7, This is a program for training, validation and application of neural and conventional classifiers including multilayer perceptron, functional link network, piecewise linear network, self organizing map and K-Means.

Nuclass7 这是一款用于训练，确认，以及包括多媒体感应器，网络链接功能，分段线性网络，自我组织映射和 K-Means 群在内的回归应用和类似的网络软件。

Within the algorithm, a CNN that has a complex dynamical behavior and a piecewise linear chaotic map were used to drive CML model as to quickly generate spatio-temporal chaotic sequences, which would be bitwise XORed with original image later.

该算法用具有复杂动力学行为的CNN网络和分段线性混沌映射去驱动CML模型，以快速产生时空混沌序列，并与原始图像异或完成加密过程。

Software Description: About Numap7, This is a program for training, validation, and application of regression and approximation networksincluding the multilayer perceptron, functional link networks, piecewise linear networks, self organizing map and K-Means clustering.

Numap7 这是一款用于训练，确认，以及包括多媒体感应器，网络链接功能，分段线性网络，自我组织映射和 K-Means 群在内的回归应用和类似的网络软件。

A There is a piecewise linear relationship between expected return and beta for efficient portfolios.

有一个分段线性的关系，预期回报率和测试效率的投资组合。

The analysis and design of piecewise linear systems is the main contents of this paper.

本论文主要研究分段线性系统的控制问题。

We use a technique of dynamic waveform matching to build cross-well stratigraphic correlation relationships and automatically draw a path diagram of the cross-well stratigraphic contrast through piecewise line fitting, log character extraction, match cost calculation, and etc.

动态波形匹配算法是本次研究采用的主要算法，它能够很好地建立井间地层之间的对比关系，通过曲线拟合、特征提取、匹配代价计算等步骤，自动绘制井间地层对比的路径图解。

This paper begin with a review of curves and surfces modeling, then we discuss the parametric polynomial minimal surface. This is followed by a discussion of the representations of catenoids and helicoids. Next, we discuss the numeric approximations to the minimal surfaces with piecewise polygons and B-Spline surfaces.

全文安排如下首先，我们简要回顾曲面造型历史和发展现状在第二和第三章，讨论参数多项式极小曲面；在第四章讨论悬链面和螺旋面的表示；在第五章讨论极小曲面的分片线性逼近；在第六章讨论极小曲面的B-样条逼近；最后，我们对全文做简单的总结。

QIQD uses piecewise quadratic curves to calculate the multiplicator of contending window after a frame collision and the divisor of contending window after a successful transmission, respectively, which is capable of reducing collision probability and improving channel utilization.

QIQD通过分段二次曲线计算数据帧碰撞冲突后增大竞争窗口的倍乘因子和数据帧成功传输后减小竞争窗口的倍除因子，从而能够降低碰撞概率和提高信道利用率。

The properties of the general linear multistep method for piecewise smooth dynamics of mechanical systems are analyzed and a picewise smooth vibration model is introduced. Some numerical experiments on the vibration model are made and several improved integration methods are presented.

采用Taylor级数展开方法，分析了常用的线性多步法在非光滑机械动力系统中的计算精度特性，建立了一个非光滑的机械振动系统检验模型，给出了典型的计算实例，并提出了几种改善计算精度的措施。

Mumford and Shah＇s variational model in the 2-phase piecewise constant case is very efficient in image segmentation.

Mumford—Shah两相分片常数模型是一个有效的图像分割模型，但当模型用于带有噪声的图像时，其水平集解法存在对初始解和长度参数敏感这两个问题。

My father is over 60 years old, and he lifts weights every day.

我爸爸六十多岁了，他每天都练习举重。

Then in a serious tone she declared:"It doesn't pay, dear boy, to look like a ninny with one's wife the first night."

两眼湿润了，她把身子蜷得很小，这样似乎可以更好地闻闻自己。