code

Non negative matrix factorization. Using multiplicative update.

有选择性的输入指纹，并对指纹分块，计算点方向图以及块方向图。(Selective input fingerprint, and fingerprint block, calculate points, and block pattern pattern.)

matlab勒让德 - 高斯求积,用于计算勒让德 - 高斯求积分(Gauss–Laguerre quadrature)

利用MATLAB，定位圆形物体的圆心，并得到其坐标。(get the Center position of the circle using matlab)

matlab扩展编程：增加了matlab的数据结构和编程技巧，c调用matlab，matlab访问硬件系统，matlab录音工具，matlab的语音识别系统等(matlab expand programming: an increase of matlab data structures and programming techniques, c call matlab, matlab access to hardware system, matlab recording tools, matlab voice recognition systems, etc.)

文献代码——A novel statistical image thresholding method,2010.12, International Journal of Electronics and Communications，Elsevier(source code——A novel statistical image thresholding method,2010.12, International Journal of Electronics and Communications，Elsevier)

一本关于用谱方法求解偏微分方程的matlab实现。(a book on using spectral method solve partial differential equations )

fast fixed-point algorithm (The FastICA package is a free (GPL) MATLAB program that implements the fast fixed-point algorithm for independent component analysis and projection pursuit. It features an easy-to-use graphical user interface, and a computationally powerful algorithm. )

说明：  噪声中非平稳信号的频谱分析，基于MATLAB，实验报告一份(Nonstationary noise frequency spectrum analysis, based on MATLAB, a lab report)

本代码可以实现有噪声的数字0-9的识别，主要是运用hopfield人工神经网络的方法(Caesium formate drilling fluids for challenging HPHT well constructions www.formatebrines.com)