UMAT beginning

用于解决投入产出问题的RAS算法，已知矩阵的行和和列和，可以求出矩阵的具体值。(For the RAS algorithm to solve the problem of input and output. We know the rows and columns of the matrix,then the specific value of the matrix can be calculated.)

将ABAQUS的ODB结果文件按照人为要求在文本文档中记录(On ABAQUS ODB results file records in a text document in accordance with human requirements)

BICG算法，是Krylov子空间的迭代方法之一(The BICG algorithm is one of the Krylov subspace iteration method)

利用元胞自动机以及蒙特卡洛法模拟晶粒生长、凝固相变的一些源程序，以及对两种方法的一些简单文字介绍(The use of cellular automata and Monte Carlo simulation of grain growth, solidification phase change some of the source code, as well as two methods some simple text description)

A finite element fortran code for 2-D truss

读取raw文件，函数文件输出具体矩阵数值(Read raw files, functions, file output specific matrix values)

十四节点潮流计算程序，采用了经典的牛拉法潮流计算方法 配以注释(14 nodes trend calculation procedure, using the classic cattle Rafah flow calculation method together with the comments)

说明：  该文件是用C语言实现快速傅里叶变换的源代码，需要的朋友快下载(The document is used C language to achieve fast Fourier transform of the source code, need friends fast download)

三次样条插值函数实现 运行后画出曲线图，并得到插值函数表达式。(spline3)

c++的有限元源码,带说明书和测试数据,是难得的有限元开发资料.(This is the code of finite element method, with manual document and data samples, it is valusble for FEM development)