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Finite_difference_method
有限差分法
微分方程和积分微分方程数值解的方法。基本思想是把连续的定解区域用有限个离散点构成的网格来代替, 这些离散点称作网格的节点;把连续定解区域上的连续变量的函数用在网格上定义的离散变量函数来近似;把原方程和定解条件中的微商用差商来近似, 积分用积分和来近似,于是原微分方程和定解条件就近似地代之以代数方程组,即有限差分方程组 , 解此方程组就可以得到原问题在离散点上的近似解。然后再利用插值方法便可以从离散解得到定解问题在整个区域上的近似解。
(Finite Difference Method
Numerical solution of differential equations and integro-differential equation approach. The basic idea is to set a continuous solution of the region with a finite number of discrete points instead of a grid consisting of, these discrete points called grid nodes the solution of a continuous area on a given function of continuous variables used in the definition of discrete grid variable function approximation the original equation and boundary conditions in the micro-business operators to approximate differential, integral with the points and to approximate, so the original differential equations and boundary conditions are replaced by algebraic equations near Side, that is, finite difference equations , solve this equation group can get the original problem in discrete points on the approximate solution. And then using interpolation methods can be determined from the discrete solution of the problem solution of the approximate solution on the entire region)
- 2009-12-16 22:12:15下载
- 积分:1
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matlabtoolofpatternrecognition
matlab的模式识别工具箱,非常有助于开发(matlab tool of pattern recognition)
- 2009-07-02 10:41:10下载
- 积分:1
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Numerical-Methods-with-Matlab
基于matlab的数字计算资料,既有程序也有案例,最新最全。(This book is a survey of the numerical methods that are common to undergraduate
courses in Science, Computing, Engineering and Technology. The aim is to present
sufficient methods to facilitate the numerical analysis of mathematical models likely
to be encountered in practice. Examples of such models include the linear equations
describing the stress on girders, bridges and other civil engineering structures, the
differential equations of chemical and thermal reactions, and the inferences to be
drawn from observed data.)
- 2014-02-07 22:16:19下载
- 积分:1
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matlabli
说明: MATLAB的具有实用型的300例子,对初学者很实用(MATLAB 300 with practical examples, very useful for beginners)
- 2010-04-12 18:58:17下载
- 积分:1
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jiejian1
用于指纹图象的归一化,和二值化处理,具有很好的效果(The normalization and binaryzation processing in the fingerprint image ,the result is good.)
- 2009-05-17 10:07:06下载
- 积分:1
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FFT-harmonic-Matlab-
从Excel表中读取数据,然后分析其频谱、相谱和总谐波畸变率,并画出图(plot)。(Read data from an Excel table, and then analyze its spectrum, phase spectrum and total harmonic distortion rate, and draw the diagram (plot).)
- 2013-05-13 11:45:07下载
- 积分:1
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GPIB
GPIB material881234231
- 2010-05-15 22:41:20下载
- 积分:1
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44607274PF_UKF_EKF_1_2a01
PF_UKF_EKF等滤波程序的比对,比较,代码比较详细,非常好用~(PF_UKF_EKF filtering procedures such as comparison of the comparison, the code in more detail, very easy to use ~)
- 2011-08-01 21:54:20下载
- 积分:1
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filter
这是信号分析应用里面一个滤波的基本程序,非常有用,供需要者学习(This is a signal analysis application of the basic procedures inside a filter is very useful for those who need to learn)
- 2009-12-21 13:19:01下载
- 积分:1
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jiedian
用数组产生盲节点和信标节点,比循环产生好许多(Produce blind node and beacon node with arrays, produce much better than the cycle)
- 2013-11-28 10:47:09下载
- 积分:1