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It is about the newton algrithm, the algrithm is used to calculate the root.

通信系统仿真可能会要用大的子函数，子函数，源文件，希望对大家有用，相互学习提高(Communication system simulation may be to use a large subroutine, subroutine, source files, hope for all of us learn from each other to improve)

《电力系统的MATLAB-SIMULINK仿真与应用》 王晶等编 2008年(Power system MATLAB-SIMULINK simulation and application Jing, eds 2008)

阻尼牛顿法求解minf(x)=(1-x1)^2+2*(x2-x1^2)^2初始点x=(0,0)精度为0.01。可运行出结果,程序清晰,算法明确。(Damped Newton method for solving min f (x) = (1-x1) ^ 2+2* (x2-x1 ^ 2) ^ 2 the initial point x = (0,0) accuracy of 0.01.It Can run out the results 。 the program is clear, algorithm is explicit. )

power_svpwm_multiPhasesLevel_sfun.rar,功率电子领域matlab仿真文件，已经验证过，程序运行正常(power_svpwm_multiPhasesLevel_sfun.rar, Power electronics field matlab simulation file, has already been verified, the normal operating procedures)

说明：  基于MATLAB的PQ分解法潮流计算程序 (MATLAB-based decomposition of PQ power flow calculation procedure)

梯度校正法参数辨识，清华大学出版社，方崇智(parameter )

This demonstration uses the Fuzzy Logic Toolbox to design a Fuzzy Inference System (FIS) using different defuzzification methods

Hiltemen程序，是zoppritz公式简化的一种对地震学习有很大帮助(Hiltemen program, is one of the zoppritz formula simplified learning are of great help to the earthquake)

说明：  对心音信号进行小波三阶分解重构（默认阈值，软阈值）的matlab程序(wavelet decompose and redistribute matlab)