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lanczos1
- 利用lanczos输注特征值，特征向量，尽请指正-Lanczos infusion using eigenvalue
MINRES
- 采用CG法求解稀疏对称奇异矩阵得到的Ax=b-Implementation of a conjugate-gradient type method for solving sparse linear equations: Solve Ax = b or (A- sI)x = b. The matrix A- sI must be symmetric but it may be definite or indefinite or singular. The scalar s is a
SYMMLQ
- 采用CG法求解稀疏对称非奇异矩阵得到的线性系统Ax=b-Implementation of a conjugate-gradient type method for solving sparse linear equations: Solve Ax = b or (A- sI)x = b. The matrix A- sI must be symmetric and nonsingular, but it may be definite or indefinite. The scal
LanczosandCG
- 在数值分析中，比较CG和Lanczos的计算结果.并比较了不同特征值情况下的计算结果。-in numerical value analyse, Compare the CG and Lanczos, futher more, we compare the CG and Lanczos in the different eigenvalue.
special
- 用逼近法计算伽玛函数的值 用Lanczos算法计算伽玛函数的自然对数值 用伽玛函数计算贝塔函数的值 用逼近法计算不完全伽玛函数的值 用逼近法计算不完全贝塔函数的值 用逼近法计算伽玛函数的值 用逼近法计算第二类整数阶贝塞尔函数值 用逼近法计算变型的第一类整数阶贝塞尔函数值 用逼近法计算变型的第二类整数阶贝塞尔函数值 用高斯积分计算误差函数值 用高斯积分计算正弦积分值 用高斯积分计算余弦积分值 用高斯积分计算指数积分值 用逼近法计算指数积分值
lanczosfilter
- lanczos滤波程序,可按不同的频率对特定序列滤波-lanczos filtering process, according to a different frequency filtering for specific sequences
irl_example.m
- implicitly restart lanczos算法matlab function源码-implicitly restart lanczos algorithm matlab function source code
first_practice_compute
- 主要是关于高等数值分析中关于CG法，MINRES法，Lanczos方法解大型稀疏矩阵的matlab算法实现-the matlab code about the advacned value analysis curriculum the algorithm for CG MINRES and Lanczos
vibration_response
- 结构振动与响应特性分析的有限元Matlab程序，包括：ritz方法、lanczos方法、Newmark方法、中心差分法和振型叠加法-Finite element matlab program for structure vibration and dynamic response feature analysis,including ritz,lanczos,Newmark,center difference and mode superposition
QR
- 有关QR分解的matlab的算法。分别是Givens_Rotations、Householder、Lanczos、Arnoldi-About QR decomposition matlab algorithm. Are Givens_Rotations, Householder, Lanczos, Arnoldi
lanczos
- 生成lanczos差值系数，平滑效果比sinc系数好一些(Lanczos difference coefficient is generated, smoothing effect is better than sinc coefficient)
ED first version
- 实现一个小系统的哈密顿矩阵的对角化，实现降维。(reduce the dimensions of a large hamiltonian matrix.and calculate the ground stste of a system)