Chorus

说明：  修正文档，利用matlab对初始值和优化值的偏差系数进行计算，计算结果做修正分析(Revised document, the use of matlab optimization of the initial value and the deviation coefficient is computed and the results do correction of the)

基于MATLAB的LDPC码编译设计，是ＬＤＰＣ的基础程序，适合初学者(MATLAB-based LDPC code compiler design is based LDPC program, suitable for beginners)

可用来计算直杆上一维热扩散问题，可以更改初值(Implicit scheme)

说明：  牛顿拉夫逊法用MATLAB如何实现其功能，在迭代过程中如何使用循环算法(Newton-Raphson Power Flow)

说明：  伽辽金无网格法求解一维问题的MATLAB代码，内附2个子程序。(the method of glarkin meshless)

自然边界元数学理论，于德浩教授编著。对于椭圆编制问题规划给出了较为详细数学理论解释，对于工程和理学专业的程序的编写有较好的辅助作用。(Natural Boundary Element mathematical theory, Professor Yu Dehao ed. For the preparation of the problem oval plan gives a more detailed explanation of the mathematical theory, for the preparation of professional engineering and Science program has a good supporting role.)

空间直角坐标（XYZ）和大地坐标（BLH）相互转换matlab函数(Space Cartesian coordinates (XYZ) and geodetic coordinates (BLH) conversion matlab function)

Matlab book for design a filter

kvoting classifier useful in pattern recognition

plot the psk curves .Useful for the beginners.