algorithm

巴特沃斯无源滤波器设计 内涵高通带阻带通低通四种类型的设计，其中低通参见本人上传的低通滤波器设计(Butterworth high-pass passive filter design content, low-pass band-stop four types of band-pass design, in which low-pass see my upload low-pass filter design)

sub function for the previous code

Magnus Norgaard s NEURAL NETWORK BASED SYSTEM IDENTIFICATION TOOLBOX Version 1.1 Department of Automation Building 326 2800 Lyngby, Denmark Technical University of Denmark

fcm实现简单的数值分类，只要你重新定义数据矩阵，就可以直接进行分类。(FCM implements simple numerical classification, which can be directly classified as long as you redefine the data matrix.)

基于sparse coding的人脸检测，很好的学习代码(face detection based on sparse coding!)

MATLAB实现ELM算法，并附带UCI经典数据。(MATLAB realization ELM algorithm, along with the classic UCI data.)

一个ldpc码的寻找围长（girth）为10的程序(Ldpc code to find a girth (girth) of the program 10)

这个程序是matlab程序，进行结构有限元分析，非常有用！！！(This program is a matlab program, the structural finite element analysis, very useful!!!)

北斗二代卫星中37种伪随机码的产生程序代码，可选择几号卫星，生成4ms的伪随机码。(Beidou second generation satellite 37 kinds of pseudo-random code generation program code, you can choose a few satellites, generate 4ms pseudo-random code.)

root finding by incremental search