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Xamarin-Essentials

于 2015-03-25 发布 文件大小:2674KB
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  Xamarin Essentials eBook

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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
  • maichong
    扩频通信条件下采用QPSK,脉冲干扰条件下仿真误码率的变化(Under the conditions of use of spread spectrum communication QPSK, pulse jamming simulation of changes in the error rate)
    2011-05-19 15:26:51下载
    积分:1
  • matlab_MRF
    Markov随机场的例子程序,对于初学MRF的人很有用,能得到直观的印象(Markov random sample program, for the beginner who MRF useful to get an intuitive impression)
    2011-05-23 12:29:55下载
    积分:1
  • Newton
    This is a Matlab code for Newton method used in numerical methods to solve linear equations .
    2013-12-09 05:05:46下载
    积分:1
  • CGABC
    说明:  简单人工蜂群算法的实现与其基本代码,有三个M文件(The realization of simple artificial bee colony algorithm)
    2020-04-07 13:34:20下载
    积分:1
  • jiefangcheng
    利用matlab来求解方程,包括13个程序例子和一个ppt(Using matlab to solve equations, including 13 program examples and a ppt)
    2009-11-08 19:36:38下载
    积分:1
  • xiangliangshuzu
    说明:  matlab 数组与向量教程 简单明了 清华出的书 数组与向量教程 简单明了 清华出的书(matlab ppt that s for the new learners.It s obiously easy to learn which produced by tising university.)
    2010-04-25 11:52:40下载
    积分:1
  • acomplex
    program s of complex variables good programs
    2011-05-31 01:34:20下载
    积分:1
  • CMAbasedRLS
    这个matlab代码是实现基于最小二乘算法的常数模算法。较最小均方误差算法,该算法收敛速度较快。(Matlab code to achieve the constant modulus algorithm based on least squares algorithm. Than the minimum mean square error algorithm, the algorithm converges faster.)
    2012-04-28 10:48:47下载
    积分:1
  • matlab-scripts
    MATLAB 退火法,元胞机等程序书写与应用及实例。(MATLAB program)
    2014-09-13 22:39:43下载
    积分:1
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