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SPARSKIT2.tar.gz
- 这是Yousef Saad编写的矩阵运算的Fortran软件包(A basic tool-kit for sparse matrix computations (Version 2),包含常见的排序,预处理(ILU分解等),Krylov子空间迭代法,以及有限差分等方法得到的算例等。有不少很实用的子程序(比如稀疏矩阵相加、相乘等等,可以学习专家的设计哟!)。极力向学习大型线性方程组数值解的人推荐(不足之处就是Fortran实现,本人觉得还是C语言好)。,Yousef Saad This is pr
heat_mpi.rar
- 此程序用有限差分解一维热传导方程,演示了MPI的使用方法。,HEAT_MPI is a FORTRAN90 program which solves the 1D Time Dependent Heat Equation using MPI
ThemethodsofFDTDbyPro.WangChangqing.pdf
- 这是王长清教授的关于时域有限差分解光子晶体的书,这本和高本庆教授的结合看能深刻理解FDTD方法。-This book is about the method of FDTD that is written by Pro.Wang Changqing,one can read it with the book that written by Pro.Gao Benqing to obtain FDTD.
Youxianchafen
- 此程序用Fortran语言编写,为弹性波动方程在均匀介质中的有限差分解,可进行地震波的正演模拟-This procedure Fortran language used for the elastic wave equation in inhomogeneous media in the finite difference decomposition can be carried out seismic forward modeling
wave
- NUMERICAL METHODS for Mathematics, Science and Engineering, 有限差分解波动方程FORTRAN-NUMERICAL METHODS for Mathematics, Science and Engineering, finite difference wave equation decomposition FORTRAN
rsvd
- 基于GM算法和QR分解实现的稳健奇异值分解算法,通过该算法可以获取一个数居阵的稳健方差-协方差阵。在该稳健方差-协方差阵上可以进行诸如,稳健主成份分解、稳健聚类、稳健因子分析等操作。-GM based on QR decomposition algorithm and the realization of the stability of singular value decomposition algorithm, the algorithm can be accessed through a
pauli cov
- 极化SAR图像中的将协方差矩阵数据进行PAULI分解的程序-Polarization SAR images will covariance matrix data Pauli decomposition process
shizhimusic
- DOA谱估计实值MUSIC算法把复数协方差矩阵映射成实数矩阵来处理,特征值分解计算量降低了75 ,实值music算法可以分辨相干信号源-DOA in real MUSIC spectral estimation algorithm to map the complex covariance matrices to deal with real, eigenvalue decomposition calculation reduced by 75 , real music algorithm ca
pi4-QDPSK
- pi/4-qdpsk调制解调程序,能有效地进行差分解调和鉴频器解调,在一些不易提取载波的场合很有用。因此,利用仿真来研究系统是必要的。-pi/4-qdpsk modulation and demodulation process, can effectively reconcile the difference solution frequency discriminator demodulation, carrier extraction in a number of difficult si
pis-esprit-music
- 频率估计:Pisarenko谐波分解算法、music算法和esprit算法对有干扰的信号频率进行估计,并且计算估计频率的均值和方差。-Pisarenko、music和esprit
FDBPM_free_space
- 有限差分解光波传播方程Finite Difference Beam Propagation Method -Finite Difference Beam Propagation Method
CFD_Jacobi_solver
- Jacobi迭代算法,Fortran编程 中心差分解偏微分方程-Jacobi Iteration
CFD_GS_solver
- 高斯赛达尔迭代,Fortran程序 中心差分解偏微分方程-Gauss‐Seidel Iteration
cauc
- 有限元差分解偏微分方程的函数,能设置初值,边界值-Difference solution of partial differential equations finite element function can set the initial value, boundary value
test_1
- 用五点差分解拉普拉斯方程,效果非常的好,值得下载-With a five-point difference solution of Laplace equation, the effect is very good, worth downloading
Pumping-unit-diagnosis
- 抽油机诊断技术,等步长有限差分解的程序和结果,傅里叶级数变换求解结果和程序,示功图绘制。-Pumping unit diagnostic techniques, such as step finite difference program and results of decomposition, the Fourier series transformation results and procedures, indicator diagram drawing.
Untitled
- 利用地震初至波确定近地表介质结构,在矿产资源的勘探开发及工程建设中有重要作 用。地震射线追踪方法是研究地震波传播的有效工具,目前常用的方法主要有有限差分解方 程法和最小路径法。最短路径方法起源于网络理论,首次由 Nakanishi 和 Yamaguchi 应用于 地震射线追踪中。 Moser 以及 Klimes 和 Kvasnicha 对最短路径方法进行了详细研究。通过科 技人员的不断研究,最短路径方法目前已发展较为成熟,
emd+奇异值差分谱
- 调用程序可对信号进行EMD分解,再进行奇异值分解降噪(The calling program can decompose the signal by EMD, then the singular value decomposition and denoising 2D empirical wavelet program. The calling subroutine can perform the empirical wavelet transform on the image.)
VAR方差分解
- 使用脉冲响应函数以及方差分解的方法组合实现广义预测误差方差分解的方法,构建风险溢出矩阵,从而更好的衡量各个个体间的影响(finance R language)
solve_one_dimension_Richards
- 该程序用差分法解一维Richards方程(The program uses the difference method to solve one-dimensional Richards equation)