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用于无红利的美式看跌期权定价，参数依次为（现在股价，协议价格，无风险利率，波动率，期限，二叉树步数） 　(No dividend for the American put option pricing parameters were (now price, agreed price, risk-free interest rate, volatility, duration, binary steps))

换能器阵元的不同排列组合决定其指向性，波束形成是多波束测量的关键技术。文中 通过数学计算总结了不同换能器阵进行波束形成的工作原理，并介绍了利用二维DFT进行频 域波束形成的一般方法。最后结合现役多波束测深系统，简单解释说明不同系统所采用的波束 形成技术。(Transducer using an array of different permutations and combinations to determine its directivity, beam formation is the key technology for multi-beam measurements. Summarized by mathematical calculations the transducer array beamforming works, and describes the general method of two-dimensional DFT in the frequency domain beam formation. Finally, the active-duty multi-beam sounding system, the simple explanation of the different systems used in beamforming technology.)

说明：  一个简单的DTW算法，可以找到两个时序数据的对应关系(A simple DTW algorithm, can be found in the correspondence between two time series data)

AIS定位、速度、航向数据解析。可以批量解析并保存。(AIS data decoder。)

说明：  matlab 时域频域分析常用 工具箱 源代码 以及安装步骤(matlab time domain frequency domain analysis of common source code and installation steps Toolbox)

用于特征值进行分解的，希望对大家有用！ 互相交流，因初学，不到之处见谅！(For eigenvalue decomposition, and we hope to be useful! Exchange, as beginners, no place forgive me!)

Matlab，线性方程组求解典型算法，含共轭速降法（大规模矩阵），一种正则化方法（处理病态矩阵），含相应算例与user guide(Matlab, solving linear equations typical algorithms the conjugated downhill Act (mass matrix), a regularization method (treatment of morbid matrix) containing the corresponding numerical examples and user guide)

实现泊松过程的仿真，并给出泊松过程波形和自相关函数波形.(Achieve Poisson process simulation, and gives a Poisson process waveform and autocorrelation function of the waveform.)

电力系统双馈风力发电机组的建模仿真，输入渐进风、阵风、随机风、基本风四种风速进行模拟仿真。(the design and simulation analysis of power system double-fed induction generator set)

MATLAB bhattacharyya 距离计算(MATLAB bhattacharyya distance)