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Jacobi
Jacobi矩阵一般是坐标变换时用的——这个坐标系的坐标依次对那个坐标系的坐标求偏导数即得Jacobi矩阵。积分时从直角坐标变到球坐标、极坐标肯定要在积分号里乘上Jacobi矩阵的行列式。
若其特征值全为正,则此Jacobi矩阵正定,即它的任何二次型都大于零。并且如果是对称Jacobi矩阵,还可以实相合于一个单位阵。是比较强的条件。矩阵A的特征值是这个关于x的方程的所有根
det(A-xI)=0(Jacobi)
- 2010-12-20 23:19:38下载
- 积分:1
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PMSM
永磁电机仿真相关程序,用Matlab编写,希望大家能用上!!!!(PMSM control!!Very Good!!!)
- 2011-08-30 18:30:05下载
- 积分:1
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KPCA实现
有一个讲解kpca的个PPT,和一个用MATLAB实现的kpca的程序(There is a PPT explaining KPCA and a KPCA program implemented by MATLAB.)
- 2020-09-18 16:47:57下载
- 积分:1
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MATLAB_Simulink1
MATLAB_Simulink1 对于模拟通信系统的仿真 是比较好的东西 (MATLAB_Simulink1 Analog communication systems for the simulation is relatively good things)
- 2009-03-19 20:10:06下载
- 积分:1
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00000000000000000000000000000000000000000000000000
说明: 模拟退火算法解决最优路径问题,此程序只需根据需要输入数据即可,验证过了,可行(the best way)
- 2010-05-02 11:53:05下载
- 积分:1
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audiofilter
说明: 脉冲响应不变法实现音频滤波功能,并且含有GUI界面设计,数字信号课程设计专用(Realization of audio filtering function with pulse response invariable method.)
- 2020-06-17 18:44:32下载
- 积分:1
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01bagProblemGreedy
0/1背包问题的贪心优化解法 邓宏涛朱蜘
(江汉大学数学与计算机学院武汉430056)
摘要:介绍了0/1背包问题的基本贪心算法的解决策略,通过对贪心算法的改进和优化,找出0/1背包问题的最优解
的很好近似。(0/1 knapsack problem greedy optimization method of邓宏涛Zhu spider (Jianghan University, Mathematics and Computer Science, Wuhan 430056) Abstract: 0/1 knapsack problem of the greedy algorithm to solve the basic strategy of the greedy algorithm through the improvement and optimization, to find 0/1 knapsack problem of the optimal solution of a very good approximation.)
- 2009-05-28 17:28:47下载
- 积分:1
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common_im_processing
说明: 常见的图像处理matlab源代码!!包括反色,常见滤波,去噪,和常用变换!(common image processing Matlab source code! ! Anti- including color, common filtering, noise removal, and common Transform!)
- 2006-03-07 08:13:43下载
- 积分:1
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Collaborative-Sensing
在认知无线电中,频谱感知的方法有很多,协作频谱感知克服了单节点频谱感知的缺点,特别是在衰减信道中。(In CR, spectrum sensing has many methods. The collaborative sensing is better than the single sensor sensing as a result of making the fading.)
- 2013-04-26 20:55:35下载
- 积分:1
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PRI-transform-Express-Edition
PRI变换算法的基本程序,包括自相关算法,原始变换算法,改进PRI变换算法(PRI transform algorithm procedures, including autocorrelation algorithm, the original transform algorithm to improve the PRI transform algorithm)
- 2012-11-19 09:20:46下载
- 积分:1