-
jiedian
电力系统中常用的标准节点数据，基于matlab的哈。(data of IEEE based on matlab，get it to use)
- 2013-03-19 00:57:07下载
- 积分：1
-
waveletstoolbox
小波变换和编码功能，包括其他更多的外来转变(Wavelet transform and coding functions, including other more exotic transforms)
- 2010-06-03 11:22:59下载
- 积分：1
-
MATLAB
一、 牛顿－拉夫逊法概要
首先对一般的牛顿－拉夫逊法作一简单说明。已知一个变量X的函数
（4－6）
解此方程式时，由适当的近似值X（0）出发，根据 （4－7）
反复进行计算，当X（n）满足适当的收敛判定条件时就是（4－6）式的根。这样的方法就是所谓的牛顿－拉夫逊法。
式（4－7）就是取第n次近似解X（n）在曲线 上的点 处的切线与X轴的交点作下一次X（n+1）值的方法。参考图4－2（a）。在这一方法中为了能收敛于真解，初值X（0）的选取及函数f（X）必须满足适当的条件，如图4－2（b）所示的那种情况就不能收敛或收敛到别的根上去。
这一方法还可以做下面的解释，设第n次迭代得到的解与真值之差，即 的误差为 时，则
（4-8）
把 在 附近对 用泰勒级数展开
（4-9）
上式略去 以下的项
（4-10）
的误差可近似由上式计算出来
图4-2
（4-11）
比较式（4-7）和（4-11），可以看出牛顿-拉夫逊法的修正量和 的误差的一次项相等。
用同样的方法考虑，给出对n个变量 (:Because of the importance and complexity of power system, better algorithm and programme language
is very important . An interior point method based on the perturbed Karush2Kuhn2Tucker (KKT) condition is pre2
sented in this paper , where the method and process for the optimal power flow is treated through the Matlab’s
symbolic math toolbox and Mfunction is also presented. Using the symbolic code , it can improve the adaptability
of the programme dramatically. The advantage is that , what we need to do is change the model expression. We
can make use of the symbolic programme to check our programme while we write the Mfunctions. Using the Mat2
lab , we find the optimal solutions and calculate quickly and efficiently. It has proposed the powerful and unique
functions of Matlab in the optimization and calculation for power system.
Key words :power system symbolic calculation optimal power flow interior point method)
- 2020-07-08 16:38:56下载
- 积分：1
-
tezhengtiqu
特征提取的几种算法程序，应该对图像处理有很大用处。不妨试试。(The algorithms for feature extraction procedure should be very useful for image processing. Worth a try.)
- 2010-05-25 16:56:07下载
- 积分：1
-
MATLAB-algorithms-assembly
matlab各种算法的代码都有，主要用于matlab初学者进行一些算法思路的设计与编码，对于初学者非常有用。(algorithm matlab code, mainly for matlab beginners some ideas of design and coding of algorithms, very useful for beginners.)
- 2013-05-13 19:55:36下载
- 积分：1
-
baseline_cor
In accelerometric data, an unwanted drift is observed due to the transducer, strain accumulation, ... This leads to unrealistic values of the final displacement after an earthquake. Baseline correction is the solution to acquire reliable estimates of acceleration, velocity and displacement.
- 2015-04-20 00:38:54下载
- 积分：1
-
hpfilter
Also used for Homomorphic filtering
- 2010-10-23 13:54:11下载
- 积分：1
-
adaptse1
利用MATLAB实现变长自适应滤波，实现语音增强的功能(MATLAB realize the use of variable length adaptive filtering, realize the function of speech enhancement)
- 2012-04-11 19:53:40下载
- 积分：1
-
Project-System-Identification-submit
Project System Identification submit
- 2013-10-10 22:09:10下载
- 积分：1
-
LMS_RLS_MVDR_Combine
智能天线自适应算法的研究，比较了LMS、RLS和MVDR三种算法的性能。(Smart antenna adaptive algorithm study to compare the performance of the LMS, RLS and MVDR three algorithms.)
- 2012-10-09 08:48:23下载
- 积分：1
