Hw2

pca face recgnition...............matlab

用matlab打开即可，可以绘制功率谱的函数，十分方便(using Matlab can be opened, the power spectral mapping function, which is very convenient)

Iterative Watershed Segmentation (IWS) This code is free of charges and it can be used for demonstration and evaluation purposes only. It is not allowed to use this code in any commercial purpose. The author s approval must be requested for any modification of the initial code as it is presented in the zip file available to download. The following point called "Copyright text" must always appear verbatim in the source codes and the license text. There is no warranty about the results obtained using this code. This is a free code, so you use it at your own risks.(Watershed Segmentation (IWS) T his code is free of charges and it can be used for d emonstration and evaluation purposes only. It is not allowed to use this code in any commercial purpose. The author's approval must be requeste d for any modification of the initial code as it i 's presented in the zip file available to downloa d. The following point called "Copyright text" must always appear verbatim in the source codes and the license text. There is no warranty about the results obtained using this code. This is a f ree code, so you use it at your own risks.)

dbf数据的读取，可用于高频数据处理，比如股票的分时、分笔、逐笔数据(read dbf data, can be used for high frequency data processing)

说明：  利用matlab对字母K进行编码，属于罗曼3型编码，最终结果可得到一幅二维傅里叶变换全息图(Using matlab to encode the letter K, are Roman 3 encoder, the end result can be obtained a two-dimensional Fourier transform hologram)

程序展示了bayes classifier对于连续数据的应用，假设数据均服从高斯分布。程序包含了binary classification和multi-classification的例子。(Program shows bayes classifier for continuous data applications, assume that the data are Gaussian. Program includes a binary classification and multi-classification examples.)

visualize Carbonic Anhydrase (CA) molecule

Save the image in several formats and calculate their mean square error

SAP2000软件的源程序，带有实例，可以进行静力分析、振型分析、反应谱分析、时程分析、曲屈分析、移动荷载分析、稳态分析、功能谱密度分析、静力Pushover分析、施工顺序加载分析等。(SAP2000 software source code, with examples, can be static analysis, modal analysis, response spectrum analysis and time history analysis, buckling analysis, moving load analysis, steady-state analysis, spectral density function analysis, static Pushover analysis, construction sequence load analysis.)

load flow solution with newton-Raphson method