huffman-coding

MATSNL is a package of MATLAB M-files for computing wireless sensor node lifetime/power budget and solving optimal node architecture choice problems. It is intended as an analysis and simulation tool for researchers and educators that are easy to use and modify. MATSNL is designed to give the rough power/ lifetime predictions based on node and application specifications while giving useful insight on platform design for the large node lifetime by providing side-by-side comparison across various platforms.

说明：  这是对于矩阵分解里面，最新出现的一种新的算法：非负矩阵分解的程序(This is the decomposition of the matrix inside, emerging a new algorithm: the procedure of non-negative matrix factorization)

遗传算法是计算数学中用于解决最佳化的搜索算法，是进化算法的一种。进化算法最初是借鉴了进化生物学中的一些现象而发展起来的，这些现象包括遗传、突变、自然选择以及杂交等。遗传算法通常实现方式为一种计算机模拟。对于一个最优化问题，一定数量的候选解（称为个体）的抽象表示（称为染色体）的种群向更好的解进化。传统上，解用二进制表示（即0和1的串），但也可以用其他表示方法。进化从完全随机个体的种群开始，之后一代一代发生。在每一代中，整个种群的适应度被评价，从当前种群中随机地选择多个个体（基于它们的适应度），通过自然选择和突变产生新的生命种群，该种群在算法的下一次迭代中成为当前种群(Genetic algorithm,GA,SGA)

利用ABCD矩阵的方法判断包含三个球面反射镜的环形谐振腔的稳定性，以及腔内的光斑分布(By using the method of the ABCD matrix judgment contains three spherical mirror the stability of a circular cavity, and the cavity of light distribution)

MATLAB is one of several tools for working with mathematics. As an experienced programmer, I was skeptical at rst. Why should I learn another programming language when I could do the work in C/C++? The answer was simple: working with MATLAB is easier! Yes, there are some instances when one would want to use another language. A compiled program, such as one written in C++, will run faster than an interpreted MATLAB program (where each line is translated by the computer when the program is run). For hardware design, one might want to write a program in Verilog or VHDL, so that the program can be converted to a circuit.

可以实现模式识别领域的数据的分类及回归，利用自然梯度算法，是机器学习的例程。( You can achieve data classification and regression pattern recognition, Use of natural gradient algorithm, Machine learning routines.)

MATLAB应用程序接口用户指南 刘志俭等编著 科学出版社出版(The MATLAB Application Program Interface User s Guide Liu Zhijian, Science Publishing)

说明：  建立一数据文件magic5.dat，用于存放5阶魔方阵。(The establishment of a data file magic5.dat, used to store 5-order magic square.)

image processing matlab code

to find the extremas of any 1-d signal