initiall

此为牛顿与拉格朗日插值算法的matlab程序，参照数值分析教程的公式编写，确定可用。(This is Newton and Lagrange interpolation algorithm matlab program, refer to numerical analysis tutorial to prepare the formula to determine the available.)

说明：  第四章 MATLAB 图形对象操作 4.1 图形对象的属性 4.2 图形对象句柄的获取 4.2.1 对象创建时获取 4.2.2 层次关系来获取 4.2.3 当前对象的获取 4.2.4 根据对象属性值的获取 4.3 图形对象句柄的删除与判断 4.3.1 句柄的删除 4.3.2 句柄的判断 4.4 图形对象属性值的获取与设置 4.4.1 图形对象属性值的设置 4.4.2 图形对象属性值的获取 4.4.3 用户缺省值的操作 4.5 图形对象的其它操作 4.5.1 figflag 函数 4.5.2 findfigs 函数 4.5.3 copyobj 函数 4.5.4 capture 函数 4.5.5 refresh 函数 4.5.6 saveas 函数 4.5.7 hgload 函数和 hgsave 函数 4.5.8 newplot 函数 (Chapter IV of MATLAB graphic objects to operate the properties of graphic object 4.1 graphic object handle 4.2 Access 4.2.1 object created when the relationship between the level of access to 4.2.2 to get 4.2.3 to obtain the current object under the object attribute value 4.2.4 Access 4.3 graphic object handle to remove the judge handles the deletion of 4.3.1 judgments 4.3.2 Handle 4.4 graphic object attribute values to obtain and set the target attribute value 4.4.1 graphics settings 4.4.2 graphic object attribute values to obtain 4.4 .3 user operation 4.5 Default graphic object 4.5.1 figflag other operations function 4.5.2 findfigs function 4.5.3 copyobj function 4.5.4 capture function 4.5.5 refresh function 4.5.6 saveas function 4.5.7 hgload function and 4.5.8 newplot function hgsave function)

求积分，接触力，在密封中，如果端面膜厚过小，可以用这个程序来计算接触力(force in seal，if contact force is considered,this progrom can count the contact force.)

Matlab code that generates a random sample of bits, encodes it using Manchester coding and generates the PSD for comparison against analytical results

The arclength of a general curve in 2 or more dimensions, using discrete points along the curve

OFDM系统中用限幅法降低系统的峰值平均功率比(OFDM system limiting method used to reduce the peak-to-average power ratio)

MATLAB数字信号处理代码及ppt，源码和PPT教学文档(MATLAB digital signal processing code, and ppt, source, and PPT teaching document)

filtering in frequecy domain for image enhancement

matlab 遗传算法程序 matlab genetic algorithm (matlab genetic algorithm matlab genetic algorithm procedure)

说明：  采用一种离散微分跟踪器的PID控制。被控对象是三阶传递函数，参考输入rin=20，干扰信号是0.5rands（1）。(PID Controller with Partial differential)