matrix-computation

数据挖掘讲义第六章聚类分析,PDF文件大小约520K(Data mining handout Chapter 6 clustering analysis, PDF file size is about 520K)

说明：  本书是为理工科大学各专业普遍开设的“数值分析”课程编写的教材 . 其内容包括插值与逼近 ,数值微分与数值积分 , 非线性方程与线性方程组的数值解法 , 矩阵的特征值与特征向量计算 , 常微分方程数值解法 . 每章附有习题并在书末有部分答案 ,书末还附有计算实习题和并行算法简介 . 全书阐述严谨, 脉络分明 ,深入浅出 ,便于教学 .(This book is a textbook for the course of "numerical analysis" which is widely offered in various majors of universities of science and engineering. Its contents include interpolation and approximation, numerical differentiation and numerical integration, numerical solution of non-linear and linear equations, calculation of eigenvalues and eigenvectors of matrices, numerical solution of ordinary differential equations. At the end of the book, there are some answers. At the end of the book, there are also a brief introduction of computational practice questions and parallel algorithms. The whole book elaborates rigorously, clearly, thoroughly and shallowly, which is convenient for teaching.)

abaqus fortran 纤维拉伸 子程序(abaqus fortran fiber stress subumat)

此代码属于地球物理领域，是用有限差分开发的直流电法三维正演，基于FORTRAN平台，此代码具有很高的运算效率，对于从事地球物理领域的人来说是不可多得的(This code belongs to the field of geophysics, is developed using finite difference method of three-dimensional forward modeling of DC, FORTRAN-based platform, this code has high computing efficiency, people engaged in geophysical field is rare)

晶格波尔兹曼方法，D2Q9的Matlab程序.(Lattice Boltzmann method, D2Q9 procedures)

fortran程序，计算应力强度因子和特征值和特征向量，研究多种材料接触(fortran program)

说明：  关于多智能体系统一致性的程序，解微分方程(Consistency of multi-agent systems program)

包括牛顿法，阻尼牛顿法，变尺度算法，最速下降法的优化算法程序。(Newton' s method, damped Newton method, variable metric algorithm, the steepest descent method optimization algorithm.)

this is fft header file for fast fourier transform. with this file, you can compute frequency spectrum zero to tow pi.

转子动力学研究中完整的支承松动数值仿真程序(Rotor dynamics study supports the complete relaxation of numerical simulation program)