Problem1

用雅可比方法求矩阵的特征值和特征向量的FORTRAN程序(Method using Jacobian matrix of eigenvalues and eigenvectors of the FORTRAN program)

利用BLT方程求解平面波对双线结构传输线的终端响应。(BLT equation for solving the plane wave transmission line on two-lane structure of the terminal response.)

fortran最优化计算方法常用程序汇编 包括一维最优化部分、无约束优化部分、约束优化部分 0.618法，分数法、二次插值法、三次插值法 共轭梯度法、DFP变尺法（导数）、DFP变尺法（差分）、阻尼最小二乘法、鲍威尔法、模式搜索法、单纯形法 混合罚函数法（SUMT调用DFP）、混合罚函数法（SUMT调用鲍威尔法）、综合约束函数双下降法、可变容差法、复合形法、网格法、随机试验法、解线性规划的单纯形法(fortran optimization calculation method used to assemble Including one-dimensional optimization section, part of unconstrained optimization, constrained optimization part 0.618, fractional method, quadratic interpolation, cubic interpolation Conjugate gradient method, DFP becomes ruler Act (derivative), DFP variable scale method (differential), damped least squares method, Powell method, pattern search method, the simplex method Mixed penalty function method (SUMT call DFP), mixed penalty function method (SUMT call Powell Law), integrated dual descent constraint functions, variable tolerance method, the complex method, grid method, random test, solving linear programming simplex Method)

说明：  从别的网上下来的，是一个简单又经典的分子动力学模拟程序，很适合初级使用。(for molecular simulation)

国外比较好用的高斯-厄米特数值积分源代码(the code of gauss-hermite )

交错网格声波方程交错网格有限差分地震波场计算波场正演模拟。 (The CalCulation of the SeismiC Wave一 fieldwith Staggered-grid Finite difference Sheme )

数字信号处理FFT算法rfft.c，简单易懂。。(Digital signal processing FFT algorithm rfft,Straightforward..)

罚函数法 它将有约束最优化问题转化为求解无约束最优化问题: 其中M为足够大的正数, 起"惩罚"作用, 称之为罚因子, F(x, M )称为罚函数.(hunhefahanshufa)

针对于对一般矩阵的求逆，或对复杂系统的求逆(Aimed at the general matrix inverse or inverse complex systems)

时域有限差分方法程序，网格为非均匀剖分的(FDTD method program, a non-uniform partition of the grid)