clean-all

实现了简单的图像的小波变化和压缩编码！！ 并计算了压缩后的熵值！！(To achieve a simple image of the wavelet transform and compression coding! ! And calculate the entropy of the compressed! !)

孙志忠书:偏微分方程数值解，第三章，Crank-Nicolson 外推法(Crank-Nicolson extrapolation for parabolic problem)

LAS file reading. this is useful for reading of LiDAR data LAS file.this is very useful code.

finite difference method solving one dimensional advection-diffusion equation

对信号进行小波分解，用硬阈值方法去除噪声，进而提高精度(right signal wavelet decomposition, with a hard threshold to remove noise, and to improve accuracy)

有关于相位，频率，等数字调制技术识别的MATLAB代码，(Have on the phase, frequency, and other digital modulation techniques to identify the MATLAB code,)

计算十字叉丝的在不同距离的衍射图像,实现典型相关分析，利用matlab GUI实现的串口编程例子。( Calculation crosshairs diffraction image at different distances, Achieve canonical correlation analysis, Use serial programming examples matlab GUI implementation.)

Question 1.4 Sullivan

说明：  支持向量机入门，适合初学者，写的很好，通俗有趣(Support vector machine entry, suitable for beginners, well written, popular, interesting)

Improved Configurations for Dc to Dc Buck and Boost Converters