codes

Calculation of spectral characteristic of 1D PC as a function of refractive index of the layer.

D:matlab mmeigen.rar特征值(D : Matlab nmm eigen.rar eigenvalue)

该程序能够快速寻找最优值，收敛速度快，精度高，智能算法。(Finding the optimal value and fast convergence speed.)

无网格伽辽金法，主程序，结合以上传的前两个程序来使用，算杆的应力，和位移！(element-free Galerkin method, main program, a combination of the first two upload procedures to use, operator of stress and displacement.)

说明：  用龙格库塔法对系统进行仿真，系统有纯滞后和一阶惯性环节。(Runge-Kutta method using the system simulation, system time delay and first order inertia.)

纯滞后系统的大林控制算法仿真实例 先进PID控制及仿真(pure delay system Dalin control algorithm simulation example advanced PID Control and Simulation)

使用邻域平均法、中值滤波法、K邻近平均法进行平滑。 利用Roberts梯度法、Sobel算子和拉普拉斯算子进行锐化，并比较结果。 (smooth and sharpen)

有趣的matlab程序，让大家感受matlab的魅力(Interestingly matlab program, so that we feel the charm of matlab)

智能优化算法 模拟退火算法的matlab程序，方便初学者学习 (Intelligent optimization algorithm simulated annealing algorithm matlab procedures for beginners to learn)

Diagramme de Rayonnement Antenne Parabole alimenté par Dipole