SAR-chengxiang

一些matlab常用程序，包括求各阶导数及其程序运行后得到的相应的结果(Some commonly used matlab program, including the derivative and the program after the corresponding results)

用自适应梯形公式求解常微分方程初值问题的数值解的MATLAB主程序及使用例子。(MATLAB main solving initial value problems of ordinary differential equations using adaptive trapezoidal numerical solutions and the use of examples.)

风力操纵运动，包括风力和风力矩理论计算公式(Wind Maneuvering)

球头刀铣削，铣削力的计算及切削力图形绘制。(Ball milling cutter, the milling force and cutting force calculation graphics rendering.)

This code calculates the DFT of an array

基于傅里叶变换的matlab下的二维周期性光子晶体带隙的计算绘图程序，属于冷门资料，网上很少见。(Based on Fourier transform matlab under the two-dimensional periodic photonic bandgap calculation drawing program, belonging to popular information, online rare.)

data reduction with fuzzy rough sets or fuzzy mutual information

说明：  2014-An Analysis and Implementation of a Parallel Ball Pivoting Algorithm 图像3D算法 含源码(2014-An Analysis and Implementation of a Parallel Ball Pivoting Algorithm)

球赛门票的售票处规定每位购票者限购一张门票，且每张门票售价 50元。购票者中有 m位手持50元钱币，另有n人手持100元。假设售票处开始售票时无零钱。问这m+n人有 几种排队方式可使售票处不致出现找不出钱的局面。(The box office ticket sales are limited to the provisions of each ticket purchase a ticket, and the price of 50 yuan per ticket. Ticket-holders have m-bit hand-held 50 coins, and another n armed with 100 yuan. Suppose no small change when the ticket office began selling tickets. M+ n asking a few people queuing up outside ticket office can not find the money to avoid a situation.)

说明：  一个将小波变换应用到脑电的实用程序，对初学者很有帮助。(A wavelet transform applied to the EEG utility helpful for beginners.)