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SVD
% 奇异值分解 (sigular value decomposition,SVD) 是另一种正交矩阵分解法;SVD是最可靠的分解法,
% 但是它比QR 分解法要花上近十倍的计算时间。[U,S,V]=svd(A),其中U和V代表二个相互正交矩阵,
% 而S代表一对角矩阵。 和QR分解法相同者, 原矩阵A不必为正方矩阵。
% 使用SVD分解法的用途是解最小平方误差法和数据压缩。用svd分解法解线性方程组,在Quke2中就用这个来计算图形信息,性能相当的好。在计算线性方程组时,一些不能分解的矩阵或者严重病态矩阵的线性方程都能很好的得到解( Singular value decomposition (sigular value decomposition, SVD) is another orthogonal matrix decomposition method SVD decomposition is the most reliable method, but it takes more than QR decomposition near ten times the computing time. [U, S, V] = svd (A), in which U and V on behalf of two mutually orthogonal matrix, and the S on behalf of a diagonal matrix. And QR decomposition are the same, the original matrix A is no need for the square matrix. The use of SVD decomposition method are used as a solution of least squares error method and data compression. Using SVD decomposition solution of linear equations, in Quke2 on to use this information to calculate the graphics performance quite good. In the calculation of linear equations, some indecomposable matrix or serious pathological matrix of linear equations can be a very good solution)
- 2020-12-21 10:29:08下载
- 积分:1
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Kalman_BasedOnStatistic
Kalman滤波的一个仿真程序,基于“当前”统计模型(Kalman filter, a simulation program, based on the )
- 2021-04-15 17:18:54下载
- 积分:1
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gmres
gmres 方法。视图求解线性方程组A*x=b的解x。nXn的稀疏矩阵A必须是方程且应是大型稀疏矩阵。列向量b的长度必须为n。(gmres method. View solving linear equations A* x = b the solution x. nXn sparse matrix A must be equation and should be large sparse matrix. The length of the column vector b must be to n.)
- 2013-09-13 16:29:56下载
- 积分:1
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simuladorBER
BER calculate between 2 files.
- 2011-10-20 23:27:49下载
- 积分:1
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fortran
圆柱绕流的数值模拟(基于有限体积法),Fortran程序(Numerical simulation of flow around a cylinder (based on the finite volume method), Fortran program)
- 2009-11-21 18:21:30下载
- 积分:1
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NND2D
用于求解二维欧拉流动方程的有限差分程序,基于NND法,求解精度较高.(Perfect fortran program by two dimensional NND finite difference method for Euler Equations on unstructured Grids, structured Grids and adaptive unstructured Grids. )
- 2011-12-12 21:08:50下载
- 积分:1
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zuixiaofa
最小二乘法数据处理软件,翻遍计算的程序,应用于各种优化算法(math caculateor)
- 2013-12-04 14:39:11下载
- 积分:1
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UDF for thermal properties of water
密度,比热,热导率,粘性系数随压力、温度变化的UDF(UDF of density, specific heat, thermal conductivity, viscosity coefficient with pressure and temperature.)
- 2018-10-17 18:23:21下载
- 积分:1
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fit_line
//最小二乘法直线拟合
m_FoldList为关键点(x,y)的链表
拟合直线方程(Y=kX+b)
(//linear least squares fitting m_FoldList as the key point (x, y) of Chain fitting linear equation (Y = C/56 b))
- 2005-08-24 04:40:23下载
- 积分:1
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FFT
对FFT算法的基2时析型实现,在实习时很多专业会用到(Algorithm based on FFT analysis of type 2 o)
- 2008-05-24 16:31:40下载
- 积分:1