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This LDPC software is intended as an introduction to LDPC codes computer based simulation. The pseudo-random irregular low density parity check matrix is based on Radford M. Neal’s programs collection, which can be found in [1]. While Neal’s collection is well documented, in my opinion, C source codes are still overwhelming, especially if you are not knowledgeable in C language. My software is written for MATLAB, which is more readable than C. You may also want to refer to another MATLAB based LDPC source codes in [2], which has different flavor of code-writing style (in fact Arun has error in his log-likelihood decoder). (This LDPC software is intended as an introduction to LDPC codes computer based simulation. The pseudo-random irregular low density parity check matrix is based on Radford M. Neal s programs collection, which can be found in [1]. While Neal s collection is well documented, in my opinion, C source codes are still overwhelming, especially if you are not knowledgeable in C language. My software is written for MATLAB, which is more readable than C. You may also want to refer to another MATLAB based LDPC source codes in [2], which has different flavor of code-writing style (in fact Arun has error in his log-likelihood decoder).)

电力系统潮流计算 有关PQ节点平衡节点等的潮流计算(Power system load flow calculation related to PQ node in the node balancing flow calculation, etc.)

本人编写的BPAmatlab程序，用于神经网络学习。(I prepared BPAmatlab procedures for neural network learning.)

是图像处理中奇异值分解的代码，对图像处理很有用。(Is the singular value decomposition of the image processing code, useful for image processing.)

聚类算法不同有效性指标的性能比较，改进代码用于不同的应用问题(Clustering algorithm performance comparison of different effectiveness index, improve code used for different applications)

mirofological operation for for fingure print recgonation

采用MATLAB对常见插值 和拟合算法进行变成，并附有PPT文档说明(Using MATLAB and the fitting of the common interpolation algorithms become, along with documentation PPT)

JPEG图像压缩编码及其MATLAB仿真实现，希望对大家有所帮助(JPEG image compression coding and MATLAB simulation, we hope to help)

上传的matlab程序代码是一个水表字符识别代码，采用BP神经网络识别。(Upload matlab code is a meter character identification code, using BP neural network.)

说明：  关于多智能体的一些程序，有相关研究的随取随用。(the parameters of multi-agent system)