Derivative-free methods是什么意思

用法例句

Of concern on turbine components, an important measure is the application of counter-rotating turbine with transonic/supersonic profiles, large load, low blade density, big deflection angle and without intermediate vanes.

由于当代新的歼击机发展的需要 ,推重比 10以上的涡扇发动机的研制势在必行 ,而对于涡轮部件 ,采用超跨声、大负荷、低稠度、无导叶、大转折角的对转涡轮方案是一个重大的技术措施。

It is a special method of improving the convergence property and having faster convergence speed without evaluation derivative.

提出了两种n维向量方程x=(x)的迭代收敛加速算法,该算法是无导数求解方程x=(x)的一种特殊方法,并通过实例说明了这种方法的有效性。

It is an important research field to obtain 3D shape-position data of the large objects in modern mechanism industry and measurement industry, and the technology about no guide coordinate measurement using computer vision is a focus.

快速、高精度地获取大型物体的三维形位数据是现代机械工业和测量行业发展中的一个重要研究方向,利用计算机视觉的无导轨坐标测量技术则是其中的一个热点。

Defining the virtual capacity,a model was made on the local state information; a distributed real-time and unsupervised learning algorithm was proposed,which can learn the range and frequency of the network traffic variation and then choose adaptively whether or not and how to adjust the traffic distribution between parallel paths.

提出虚容量的概念,建立了基于本地状态信息的网络流量优化模型;提出的分布式实时无导师学习算法,根据网络流量变化的幅度和频度判断是否需要优化并行路径间的流量分配并且自适应的调整。

Based on the framework of network intrusion detection systems based on data mining , this paper devises an analyzer model of unsupervised learning.

本文在基于数据挖掘的网络入侵检测系统框架基础上设计了一个无导师学习的分析器模型。