chilun

根据matlab的bvp4c函数的例子思想方法，求解特征值和特征函数，可以解变积分边界的问题，但是须给一个比较精确的初特征值。此为自编程序，已经标明注释。所附为bvp4c相关例子（此从matlab帮助文件节选）。(use the matlab solver bvp4c to obtain the both eigenvalues and eigenfunctions of BVPs, an exact initial eigenvalue is needed.)

车牌图像的初步预处理，实现彩色图像灰度化，输出背景图像，输出黑白图像(Initial license plate image preprocessing, color image graying, output background image, bitonal image)

matlab读取和显示obj格式的三维模型文件，经验证效果很好。(Matlab to read and display the 3D model file in obj format, and proved the effect is very good.)

Non-linear control system application

助推滑翔伪谱方法优化算例, 分多段进行轨迹优化，考虑的多种约束情况 (boost-slide trajectory optimization)

GMSK调制解调例程，采用了相位滤波的算法，供参考。(GMSK modulation and demodulation routines, using phase filtering algorithm, for reference.)

用于文本语义分析的潜在语义分析算法LSA(Latent Semantic Analysis)，包含详细的函数说明，原理分析及数据。相比原来版本的LSA，增加了文件demo.m以增加可视化效果，更有利于读者使用。(-Semantic Analysis for Text of Latent Semantic Analysis Algorithm LSA (Latent Semantic Analysis), contains a detailed description, principles of function analysis and data. Run demo.m can see the visualization effect.)

nco + cic + ddc 数字下变频抽取滤波的基础步骤，代码已通过调试(nco+ cic+ ddc)

数值分析中几个基础的matlab程序，包括选主元的高斯消去，矩阵的LU分解以及Jacobi迭代(Numerical analysis of several matlab-based procedures, including the election of the principal Gaussian elimination, LU decomposition of matrices and Jacobi iteration)

使用小波包变换分析信号的MATLAB程序(The use of wavelet packet transform analysis of signals in MATLAB program)