tcoug

this folder contain universal dataset for classification

求解无约束问题最优化问题的基础方法之一：高斯牛顿法(Gauss-Newton methon)

这个Matlab程序实现最速下降算法。最速下降法是一种最基本的算法，它在最优化方法中占有重要地位.最速下降法的优点是工作量小，存储储变量较少,初始点要求不高；缺点是收敛慢，最速下降法适用于寻优过程的前期迭代或作为间插步骤，当接近极值点时，宜选用别种收敛快的算法. (The Matlab program to achieve the steepest descent algorithm. Steepest descent method is a basic algorithm, it occupies an important position in the optimization method. Advantage of the steepest descent method is the small amount of work, less storage reservoir variables, the initial point less demanding drawback is slow convergence, the steepest descent method for the optimization process of the early iterations, or as inserted steps are advised to use other kinds of fast convergence of the algorithm when close to the extreme point.)

对某一标准图像进行二维Mallat小波的3级分解，获得小波高/低频系数，分别 用低频分量LL1、LL2、LL3的小波系数进行图像重建，分别计算这三种情况 和原始图像比较的PSNR。(A standard image 3 2D Mallat wavelet decomposition, wavelet high/low frequency coefficients , respectively Low frequency component LL1 , LL2, LL3 wavelet coefficients for image reconstruction, respectively, to calculate the three And compared to the original image PSNR. )

maple的入门级教程，maple的计算相比matlab更加简单也更容易上手(The entry-level tutorial maple, maple computing matlab simpler and easier to use compared to)

基于matlab的功率谱分析以及短时傅立叶变换(Matlab based on the power spectrum analysis as well as the short-time Fourier transform)

说明：  字典树的基本功能是用来查询某个单词（前缀）在所有单词中出现次数的一种数据结构，它的插入和查询复杂度都为O(len),Len为单词（前缀）长度，但是它的空间复杂度却非常高，如果字符集是26个字母，那每个节点的度就有26个，典型的以空间换时间结构。(The basic function of the dictionary tree data structure is used to query a number of times a word (prefix) appears in all the words, which insertion and query complexity are O (len), Len is a word (prefix) length, but its space complexity is very high, if the character set is 26 letters, and that the degree of each node will have 26, the typical structure of space for time.)

Many application of Kalman filter

convex_letterV 光波通过V型窗口时的衍射效果模拟源程序(convex_letterV light waves through the V-shaped window of diffraction effects simulation program)

CMM是指“能力成熟度模型”，它是对于软件组织在定义、实施、度量、控制和改善其软件过程的实践中各个发展阶段的描述。CMM的核心是把软件开发视为一个过程，并根据这一原则对软件开发和维护进行过程监控和研究，以使其更加科学化、标准化、使企业能够更好地实现商业目标。此外还是化妆品的名字。 (CMM refers to the Capability Maturity Model , which is for software organizations define, implement, measure, control and improve their software processes describe the practice in all stages of development. CMM is the core software development as a process, and in accordance with the principles of process monitoring and research on software development and maintenance, to make it more scientific, standardized, enabling enterprises to better achieve business goals. Additionally or cosmetic name.)