qiexiangangdu

说明：  使用Eviews编写covar程序，实现covar的计算(Using Eviews to write Covar)

平面波展开法计算二维三组元周期结构的带隙特性。(Plane wave expansion method for calculation of two dimensional three groups yuan cycle structure of the band gap characteristic)

第二类Fredholm积分方程的数值解。 所谓积分方程就是积分号内有未知函数的方程(Second numerical solution of Fredholm integral equation)

一个drucker prager模型的 的用户子程序，用于求解平面应变问题 abaqus UMAT and inp(drucker prager yield model for abaqus )

指派问题的匈牙利解法，从文件中读入待指派的数据。(Assignment problem of the Hungarian method, read from a file to be assigned to data.)

Fortran算法程序集，徐士良，第二版，包括源码和pdf。(The Fortran algorithm assemblies, XU Shi-liang, second edition, including source code and pdf.)

用来画多输入多输出系统的格式带，输入是矩阵形式(draw gershgorin)

用简单易懂的图文方式阐释算法的奥秘，快速了解每个算法的使用场景、原理(Explain the mysteries of the algorithm with simple and understandable graphics and text, and quickly understand the scene and principle of each algorithm)

求解非线性方程组 的同伦曲线法(Solving nonlinear equations homotopy curve method)

说明：  距阵链乘问题: 找出矩阵链乘A(35*40) A(40*20) A(20*10) A(10*15)的最佳相乘次序。 算法来自:计算机算法导引(matrix chain by : identify matrix chain by A (35* 40) A (40* 20) A (20* 10) A (10* 15) concludes the best order. Algorithm from : computer algorithm Seeker)