货币计算 简单易懂

能很好的分析非线性时间序列。熵（entropy）指的是体系的混乱的程度，它在控制论、概率论、数论、天体物理、生命科学等领域都有重要应用，在不同的学科中也有引申出的更为具体的定义，是各领域十分重要的参量.

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这个是斯坦福大学在coursera 公开课上的机器学习的练习2的习题答案和原题。仅供参考。 有在学习机器学习的同学，可以选择andew_ng在coursera 公开课上的机器学习，这是一个很好的课程，而且算法讲的很详细，这个代码是里面练习的参考答案之一，对于刚开始学习的同学很有用。

分形算法与程序设计 第2章VC语言程序设计-Fractal Algorithms and Program Design Chapter 2 VC Language Program Design

GPSS语言编写的排队系统的模型模拟程序。和文档在一起的还有一个word的说明和一个c语言编写的排队系统的模拟程序，可以对照比较模拟的结果。-GPSS language model of queuing system simulation program. And documents with a word description and a c languages queuing system simulation program, you can compare the results of simulation.

计算方法经典算法(弦截法二分法牛顿迭代法龙贝格算法)-classic calculation algorithm (xianjie Act dichotomy Newton Romberg algorithm)

资源描述Abstract Considering rapid developments in the technologies of both radio-frequency identification (RFID) systems and wireless sensor networks (WSN), an integration of the two technologies may lead to the formation of an RFID-enhanced WSN which would possess improved functions and capabilities. In the RFID-enhanced WSN, many reader-enhanced nodes have increasingly been employed. In such networks, RFID data contains a lot of duplication, because the same tag may be read multiple times, and collision may occur among readers, while energy constraints are also a serious problem. These three could in turn cause serious problems. In this paper, we have proposed our CSMA-based algorithm since it is light, efficiently minimizes all kinds of reader collision, and eliminates the duplicate data. For this purpose, we have used a separate control channel and a tag ID forwarding mechanism with a special co

vc下的一个仿matlab界面的矩阵运算程序，其中单独封装的矩阵类可实现大多数常用矩阵运算功能，经常被我单独拿来使用-vc under an imitation of Matlab interface matrix calculation procedures, which separate package matrices can be used to achieve the majority of matrix calculation functions, I was often alone using them

c语言DES算法，本算法已经通过了VS2010的验证，并且可以和Matlab2012进行联合编程，可以提供64位加密，56位密钥。

数值字符串进制转换-numerical string band conversion