sod-problem-by-MacCormack

说明：  PRP共轭梯度法优化计算，采用FORTRAN语言(PRP conjugate gradient method optimization, the use of FORTRAN language)

基于凸优化算法的矩阵填充稀疏矩阵理论的Matlab实现。(Based on convex optimization algorithm of matrix fill sparse matrix theory Matlab achieve.)

说明：  给定求解区间，用最小二乘法给出函数的零点，并给出迭代次数(Given the solution interval, the zeros of the function are given by the least square method, and the number of iterations is given.)

数值分析非线性方程求解（五种方法）。分析牛顿法、割线法、对分法、Steffensen法、简易牛顿法解线性方程组的性质(Numerical analysis of nonlinear equations (five methods). Nature of the analysis of Newton, secant, bisection method, Steffensen method, simple Newton method for solving linear equations)

说明：  用混合同余法生成两组伪随机数，利用投针试验求圆周率。软件：matlab。(Two groups of pseudo-random numbers are generated by the method of mixed congruence, and the circularity is calculated by the test of inserting needle. Software: MATLAB.)

无网格MLPG程序,gauss积分，移动最小二乘法(meshless local petrov-Galerkin methods )

这是一个关于高精度阶乘的程序，测试可用！！！(This is a program on the high-precision factorial test available! ! !)

求解界约束问题的截断共轭梯度法，是最近刚出来的方法(The truncated conjugate gradient method for solving boundary constraints is a recent method.)

Fortran 95程序设计【彭国伦】第7章原代码，非常有学习价值！(Fortran 95 programming [Lun Peng-- Chapter 7 of the original code, the very value of learning!)

圆柱绕流边界元程序 用边界元的方法计算圆柱绕流(flow around colomn )