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一种求椭圆中得MATLAB程序源代码，我自己编的，大家一起学习。(Ellipse in order to get a MATLAB program source code, I have compiled, we learn together.)

用斐波那契额法求函数极小值，它是一种双向收缩的方法，它的收缩率是0.618(Fibonacci amount of law and the function minimum, it is a two-way contract, the contraction rate is 0.618)

to calculate satellite position

利用小波包函数，对滚动轴承的故障进行分析，最后得出图形，进行故障分析，非常有用。(it is very good,best for wavelet.)

machine learning algorithm, it is to optimize the model and improve the function

通过计算机MATLAB仿真分析和研究了维纳滤波器的阶数、信号的噪声方差、随机信号的采样点数、经过维纳滤波的均方误差之间的关系(MATLAB simulation by computer analysis and research of Wiener filter order, the signal of the noise variance, random signal sampling points, after Wiener filter mean square error of the relationship between)

MATLAB绘制地形地图时可以使用的地图绘制程序！(Mapping program can use MATLAB topographic map!)

说明：  function [ret,x0,str,ts,xts]=s4(t,x,u,flag) s4 is the M-file description of the SIMULINK system named s4. The block-diagram can be displayed by typing: s4. SYS=s4(T,X,U,FLAG) returns depending on FLAG certain system values given time point, T, current state vector, X, and input vector, U. FLAG is used to indicate the type of output to be returned in SYS.

MATLAB中创建三维地图，可用于三维航迹规划中，(MATLAB to create three-dimensional map)

用下面的程序产生并显示与小波db4相关联的四个滤波器组.小波函数db4的迭代生成过程.单尺度一维离散小波分解与重构(With the following procedures and display associated with the db4 wavelet filter banks of four. Db4 wavelet function to generate the iterative process. Single-scale one-dimensional discrete wavelet decomposition and reconstruction)