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FDTD method to calculate the bandgap of the TM mode of phononic crystal

arm robot for MatLab

精通matlab科学计算书本上的一些例题(Proficient in matlab scientific computing books on some of the examples)

二三阶B样条小波模极大值输电线路故障定位(Fault location of transmission line based on two or three order B spline wavelet modulus maxima )

说明：  GM（1，1）灰色预测模型预测发展趋势，并确定模型的精确合格度(GM (1,1) gray prediction model predicts the development trend and determines the accuracy of the model)

Butter 函数的应用于低通滤波器，对应的仿真图形与代码(Butter function applied to low-pass filter corresponding to the simulation graphics and code)

matlab 例程，粒子群优化算法，很全，希望对大家有所帮助(Matlab routines, particle swarm optimization algorithm, is very wide, and they hope to help everyone)

PSO算法对PID控制器参数进行设置使得系统的ITAE性能指标最小(PSO algorithm PID controller parameters set so that the minimum system performance index ITAE)

说明：  esn代码，稍加修改，不一定正确，上传分享(The modified ESN code is not necessarily correct. Upload and share the code.)

说明：   用最速下降法求最优化解 输入：f为函数名 grad为梯度函数 x0为解的初值 TolX,TolFun分别为变量和函数的误差阈值 dist0为初始步长 MaxIter为最大迭代次数 输出: xo为取最小值的点 fo为最小的函数值 f0 = f(x(0))( Steepest Descent Method with Optimum Solution input: f as a function name grad is gradient function x0 for the solution of the initial TolX, TolFun variables and functions were error threshold dist0 as the initial step MaxIter maximum Diego passage number Output: xo to take the minimum point of fo is the smallest function value f0 = f (x (0)))