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说明：  《MATLAB在数字信号处理中的应用》 介绍matlab6.1在数字信号处理领域的基本原理和应用(err)

四边形八节点等参单元matlab，多用于工程基础编程，较为简单(Quadrilateral eight-node isoparametric elements matlab, used for engineering-based programming, a relatively simple)

瑞利信道与加性高斯白噪声Matlab自编源代码(Rayleigh channel with additive white Gaussian noise, self-compiled Matlab source code)

optics 算法作为基于密度的聚类算法的一种重要的改进，十分有借鉴的意义。(Called algorithm for clustering algorithm based on density is an important improvement, very have reference significance.)

matlab常用函数参考手册，各类函数分类清晰明了，使用方便。(matlab reference manual for common functions, various types of function classification clarity, easy to use.)

fprintf函数，从matlab中导出数据！(fprintf function to export the data from matlab!)

利用m序列生成跳频序列并用于跳频通信，并给出误码率曲线。(M sequence to generate the frequency hopping sequence and used for frequency hopping communication, and gives the BER curves)

计算两个区域的相关系数的平均值 速度比直接用regress函数 快很多很多(calculate the mean correlation coefficient of two areas)

火星轨道坐标系下的卫星动力学方程，用于航天工程计算(Mars satellite dynamic equations in orbit coordinate system )

just this is for k-means algorithm coedes in matlab,it for beginners