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求解椭圆型，双曲型和抛物型偏微分方程的matlab代码(Solve the elliptic, hyperbolic and parabolic partial differential equations matlab code)

ARMA模型的建立程序，适合初学者研究，欢迎下载(ARMA model program for beginners of, welcome to download)

This paper presents a method for estimating the spectra of water wave disturbances onfive of the six axes of a stationary, slender body underwater vehicle in an inertia dominated waveforce regime, both in head seas and in beam seas. Inertia dominated wave forces are typical ofthose encountered by a 21 inch diameter, torpedo shaped underwater vehicle operating in coastalwaters and sea state

Half wave rectifier simulation for beginner

计算残余曲线，包含了反应的残余曲线，好用，(Calculate the residual curve contains the remnants of the reaction curve, easy to use,)

FIR filter design with unseperable window, seperable window, frequency sampling method

Matlab 利用S函数编写系统模型，分为离散模型和非线性模型。(Matlab to using S functions to the preparation of system model, is divided into discrete model and nonlinear models are.)

利用matlab软件产生高斯白噪声和有色噪声的程序及程序说明(Using matlab software to produce white gaussian noise and colored noise procedures and instructions)

lingo 实例程序 (原材料混合模型)(examples of lingo usage)

说明：  能通过添加不同程度的白噪声使一组数据扩展成多组数据(It can expand a group of data into multiple groups by adding different levels of white noise)