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matlab中使用LM训练方法计算XOR，3-bit Parity，regression等问题的收敛速度，比较其收敛率。(using LEVENBERG MARQUARDT in matlab to compute convergence rate)

说明：  该MATLAB程序生成10个Gold码序列，每个码序列长31位，并计算各个码序列间的相关性。(This MATLAB program generates 10 Gold codes sequences, each of 31 bits long. The correlation performance among code sequences is also computed.)

此为模拟台球动态击球的MATLAB源代码，描述了一个球在桌面某一位置击中另一个球的动态过程。很好的代码，值得学习！(This is a dynamic simulation of billiard ball MATLAB source code, describes the location of a ball hit another ball the desktop of a dynamic process. Good code, it is worth learning!)

Selection Operator: This is a well known selection operator for genetic algorithm: Roulette Whell Selection Operator

案例源代码实现，用matlab实现定时器的编程代码。(Case source code, using matlab realize the timer programming code.)

This function used to find peaks of histogram.

说明：  面波数值模拟，交错网格法高阶有限差分数值模拟算法(Surface wave numerical simulation)

本程序为基于BP神经网络的Pid调参方法，用于控制某时变系统，以提高系统的自适应性能(This program is Pid Scheduling method based on BP neural network to control a time-varying systems in order to improve the adaptive system performance)

spring document very mush

这是一个关于MATLAB的源代码，包括ekf，ekf。(This is a study on the source code of MATLAB, including ekf, ekf.)