fft

这个函数用来通过蒙特卡罗求积分， f 要求的函数； fail1 积分下限 fail2 积分上限 a，b 积分区域内x的积分上下限 c,d 积分区域内y的最大和最小值,c,d不是必须的参数，但是有之计算速度更快 n 求解迭代次数( This function is used to find the integral Monte Carlo, function f requirements fail1 integral limit fail2 integral upper limit a, regional integration within b limit c on x points, d- the maximum and minimum value of the integration region y, c, d is not required parameters, but the calculation speed is faster n Iteration number)

遗传算法（Genetic Algorithm）是模拟达尔文生物进化论的自然选择和遗传学机理的生物进化过程的计算模型，是一种通过模拟自然进化过程搜索最优解的方法(Genetic Algorithm (Genetic Algorithm) is a computational model simulates Darwinian natural selection and genetic mechanisms of biological evolution process of biological evolution, is a natural evolutionary process by simulating the optimal solution search methods)

主要开关电源用matlab仿真，实现从220v交流转化为直流电压(The main switching power supply with matlab simulation, converted into a DC voltage from 220v AC)

DCT- discrete cosine transform. compression ratio and psnr value are calculated

复化梯形函数，复化辛普森函数，龙贝格函数matlab算法(Complex trapezoidal function, complex function Simpson, dragon berg function matlab algorithm)

说明：  高等应用数学问题的MATLAB求解高等应用数学问题的MATLAB求解(Advanced application of advanced mathematical problem solving application of MATLAB MATLAB to solve mathematical problems)

说明：  修正的ESPRIT 算法,该算法可以提高估计性能(modified ESPRIT algorithem，which can obtain robust estimation performence )

WiMAX物理层平台搭建，并实现了物理层小数时延和整数时延的添加，并并一定方法实现对时延的估计(WiMAX physical platform building, and implements the fractional time delay and integer delay to add the physical, and a certain method of time delay estimation)

完整的基于HMM的语音识别系统，matlab编写的元胞自动机，合成孔径雷达（SAR)目标成像仿真。( Complete HMM-based speech recognition system, matlab prepared cellular automata, Synthetic Aperture Radar (SAR) imaging simulation target.)

example program of non linear equation