变压器故障诊断 国标改良三比值法

alternating direction method of multipliers优化算法讲解OutlineDual decompositionMethod of multipliersAlternating direction method of multipliersCommon patternsExamplConsensus and exchangeConclusionsDual decompositionDual problemp convex equality constrained optimization problemminimizesubject to Ax= 6e Lagrangian: L(a, g)=f(a)+y(Ac-bdual function: g(y)=infx L(, g)e dual problem: maximize g(g)recover x*=argminL(, y*)Dual decompositionDual ascentgradient method for dual problem: y+l=yk +aVg(yky ")=A c-b, where a= argmin L(a, y")b dual ascent method isk+1gminz L(a, yk/-minimization(Axk+I-b)// dual updateworks, with lots of strong assumptionsDual decompositionDual decompositione suppose f is separablef(x)=f1(x1)+…+fN(xN),x=(x1Nthen L is separable in x: L(a, y)=L1(a1, 3)+...+Ln(N, 3)-y bLi(ai, y)=fi(ai)+y Aiaie -minimization in dual ascent splits into N separate minimizationsk+1argmin Li(li, y)Which can be carried out in parallelDual decompositionDual decompositiondual decomposition(Everett, Dantzig, Wolfe, Benders 1960-65k+1argLi(ei, y)N A: k+scatterupdate i in parallel, gather Ai k+solve a large problemby iteratively solving subproblems(in parallel)dual variable update provides coordinationworks, with lots of assumptions; often slowDual decompositionOutlineDual decompositionMethod of multipliersAlternating direction method of multipliersCommon patternsExamplConsensus and exchangeConclusionsMethod of multipliersMethod of multipliersa method to robustify dual ascentb use augmented Lagrangian(Hestenes, Powell 1969),p>0(, y)=f(c)+y(Ax-b)+(p/2)Acmethod of multipliers( Hestenes, Powell; analysis in Bertsekas 1982)k+1argmin Lp(a, yD(A.(note specific dual update step length pMethod of multipliersMethod of multipliers dual update stepoptimality conditions( for differentiableAcx-b=0, Vf(a*)+A(primal and dual feasibility)Since ah+1minimizes Lp(a, y)k+1 kf(x4+1)+A7(y+p(AVxf(at)+adual update yti=y+p(k+1k+1dual feasibleprimal feasibility achieved in limit: A k+I-b>0Method of multipliers

【实例简介】实现功能：利用PC控制步进电机转动。可以控制转动方向、转动速度以及读取转动角度。上位机VB6.0编写，下位机ATMEGA16程序，均为源码。

【实例简介】阿里云产品模具,阿里云的全套图标 icon,大量丰富的visio图标资源，包括网络、计算机、建筑、人物、图形等各种元素。高清图提供一些常用的阿里云图标供您使用

经典通信书 自适应滤波器原理-Simon Haykin 所有代码和习题解答都包括！

基于DV-Hop的无线传感网络定位算法的matlab仿真代码。研究定位误差与锚节点个数和通信半径的关系。设定在100*100的区域内，总节点数为100，分别计算出通信半径为15,25,50时，定位误差随锚节点个数3~30改变时的变化情况。

Matlab车牌识别系统含GUI界面,带语音功能，untitled.fig为主函数

一套公寓管理系统的开发文档，需求分析、概要设计

【实例简介】链家网和贝壳网房价爬虫，采集北京上海广州深圳等21个中国主要城市的房价数据（小区，二手房，出租房，新房），稳定可靠快速！支持csv,MySQL, MongoDB,Excel, json存储，支持Python2和3，图表展示数据，注释丰富

这个一个python实现的车道线识别程序，基于opencv库。压缩包内还附了测试用的图像和视频，适合进行python和图像处理学习。

dsp 6713 的 例程源码 seed dec 6713