fangzhen-chenggxu

正规自适应LMS算法，通过改变步长因子，使LMS算法更优(Formal adaptive LMS algorithm, by changing the step size LMS algorithm is better )

ls-dyna 用户自定义材料——各向同性线弹性材料(ls-dyna user-defined material- isotropic linear elastic material)

first-order Engquist-Majda ABC in an FDTD program for 2D-TMz Wave.

这是一个基于神经网络RBF的PID控制器，SIMULINK模型加m函数(This is a PID controller based on neural network RBF, SIMULINK model plus m function.)

MATLAB CODE TO SIMULATE OFDM SYSTEM

Active approach - TOA(Active approach- TOA)

useful for nn beginner for the basic understanding

dct变换的MATLAB实现，供大家学者参考(dct transform MATLAB realization of reference for all scholars)

数值解法 例1 用改进的欧拉方法求一阶方程初值问题的 数值解 例2 数学摆的运动方程与近似方程数值解比较 例3 四阶龙格库塔公式求数值解 Matlab实现求数值解 例1 求初值问题y =x*sin(x)-y,y(0)=0的数值 解.先编辑一个定义方程的ODEF函数文件 ODEfun1.m. 例2 求方程组初值问题的数值解,按指定步长 0.05划分节点. 例3 按指定的精度求高阶方程初值问题的数值解.(Numerical Solution of the law a method of using the improved Euler' s equation of order to a first-order initial value problem of the numerical solution of cases of two mathematical pendulum equations of motion compared with the approximate numerical solutions of equations of three cases of fourth-order Runge-Kutta numerical solution of the formula Matlab order to achieve the numerical solution of demand cases seeking an initial value problem y ' = x* sin (x)-y, y (0) = 0 the numerical solution. first, the definition of an equation editor ODEF function file ODEfun1.m. cases of two demand equations initial value problem of numerical solution, according to the specified division of the node step 0.05. Example 3 according to the specified precision of seeking higher-order equation of the numerical solution of initial value problem.)

说明：  关于海杂波的仿真源程序，包括原理和编程中的注意事项(Simulation of sea clutter on the source, including the principles and programming )