Formats-of-pictures

已知离散的坐标数据，利用这些坐标点进行椭圆拟合的程序(Known coordinates of discrete data points to use these coordinates ellipse fitting procedure)

Matlab Coce for PCA 1

说明：  bp神经网络算法的matlab源代码，挺有用的。(bp neural network algorithm matlab source code, quite useful.)

图像秘密共享方法，应用shamir门限方案（2,3）方案进行试验，本文有认证，防篡改的功能(Image secret sharing method, application shamir threshold scheme (2,3) test program, the paper has certified, tamper-resistant feature)

用矩量法计算细线天线的场分布，允许用户自行制定天线长度等参数．(Using moment method calculation of the field distribution of thin wire antennas, allowing users to establish their own parameters such as antenna length.)

caesar加密算法,可用于简单加密或实验(encryption algorithm)

zigag算法，将1-N^2的数字按照“Z”路径排序。附有程序运行截图。(zigzag algorithm)

这是一本matlab工程数学用书 可以帮助大家用matlab解决数学问题()

two Matlab functions for initializing and training a recurrent neural network (two Matlab functions for initializing and training a recurrent neural network)

Test function : f= x+10*sin(x.*5)+7*cos(x.*4) Aim to get its max value( Test function: f = ' x+10* sin (x.* 5)+7* cos (x.* 4)' Aim to get its max value)