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预测系统
灰色预测模型称为CM模型,G为grey的第一个字母,M为model的第一个字母。GM(1,1)表示一阶的,一个变量的微分方程型预测模型。GM(1,1)是一阶单序列的线性动态模型,主要用于时间序列预测。 一、GM(1,1)建模 设有数列 共有 个观察值 对 作累加生成,得到新的数列 ,其元素 (5-1) 有: 对数列 ,可建立预测模型的白化形式方程, (5-2) 式中: ——为待估计参数。分别称为发展灰数和内生控制灰数。设 为待估计参数向量 则 按最小二乘法求解, 有: (5-3) 式中: (5-4) (5-5) 将(5-3)式求得的 代入(5-2)式,并解微分方程,有 (1,1)预测模型为: (5-6)(gray forecasting model called CM model, the G-gray of a letter, the M model for the first letter. GM (1,1), a band of a variable type of differential equation models. GM (1,1) is a sequence of single-band linear dynamic model, mainly for time series prediction. A GM (1,1) model series with a total value of observation for the cumulative production, to a new series of its elements (5-1) : The series, we can establish the prediction model albino form of equation (5-2) where :-- to question the estimated parameters. The development will be known as the gray and hygiene control within a few gray. Set parameters to be estimated according to Vector least squares method, are : (5-3) where : (5-4) (5-5) (5-3) that obtained in lieu of income (5-2)- and solutions differential equations, (1 1) Fore)
- 2005-01-26 15:33:02下载
- 积分:1
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gui
说明: 一个简单matlab gui编程的例子 进行边缘检测(a sample example program bt matlab gui,
Find edges in a picture)
- 2009-08-25 20:16:16下载
- 积分:1
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LFM
LFMchirpsignal.m LFM_RADAR.M 对线性调频信号的波形和频谱进行了仿真。(Simulation of LFM signal waveform and spectrum )
- 2011-05-20 16:37:33下载
- 积分:1
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weifenfangchengdeshujijiefa
运用MATLAB求解偏微分方程的数值解的程序(Numerical Solution of Partial Differential Equations MATLAB program)
- 2011-05-29 23:31:28下载
- 积分:1
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image_deconvlucy
利用Lucy-Richardson方法进行图像复原,迭代次数分别是5次和15次(image restoration Lucy-Richardson)
- 2011-06-08 16:07:39下载
- 积分:1
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spectrum_analysis
高阶频谱分析工具(数字信号处理Matlab例程)(higher order spectral analysis tools (digital signal processing Matlab routines))
- 2007-05-06 18:12:11下载
- 积分:1
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3dfdtd
fdtd 电磁计算 三维电磁仿真技术 电磁场计算 fdtd 算法(fdtd Em compute em field calculation )
- 2014-02-09 17:16:19下载
- 积分:1
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swjammerplusclutter150km
说明: 150km处机载雷达杂波建模仿真,注释详细,绝对有用!!!!(Modeling and Simulation of airborne radar clutter at 150km, detailed notes, absolutely useful)
- 2021-03-21 16:49:17下载
- 积分:1
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matlab2
matlab program to practice
- 2010-11-10 11:05:00下载
- 积分:1
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TEMP
dct变换的MATLAB实现,供大家学者参考(dct transform MATLAB realization of reference for all scholars)
- 2009-05-18 10:21:53下载
- 积分:1