fortran_nr

一维 问题，即激波管问题，是一个典型的一维可压缩无黏气体动力学问题，并有 解析解。对它采用二阶精度 两步差分格式进行数值求解。(Use MacCormack difference scheme for solving a two-dimensional shock tube problem)

运用MATLAB软件做三元一次、三元二次及最小二乘法的数据仿真(MATLAB software for the ternary once Quadratic least squares method of data simulation)

说明：  最优化算法中的二分法，是用MATLAB实现的，经过调试的(Optimization of the dichotomy, is to use MATLAB to achieve, through debugging)

说明：  下三角复矩阵求逆的ASIC设计及实现 论文 pdf(Lower triangular complex matrix inverse of the ASIC Design and Implementation of)

文件中包括了最优化中的最小费最大流程序以及例子和程序(File included in the most optimal maximum flow procedures and examples of trees and procedures)

比Windows自带的高级一点的计算器，能将整个表达式输入，然后求值。 这个程序要求读者具备编译原理的一些知识。 (Advanced calculator than Windows built, the whole expression input can be then evaluated. This program requires the reader to have some knowledge of compiler theory.)

用Fortran编程求解简单的一元二次方程案例(Solving quadratic equation of one variable)

桁架结构非线性有限元分析程序，可以进行结构分析，应用于钢架结构，考虑材料非线性。(Truss material nonlinear finite element analysis program, can be use in civil engineering.)

二阶非线性耦合波方程组的计算 The calculation of the second-order nonlinear coupled wave equations(The calculation of the second-order nonlinear coupled wave equations)

有较好的参考价值，外文资料里面的源代码，基于小波变换的数字水印算法matlab代码。( There are good reference value, Foreign materials inside the source code, Based on wavelet transform digital watermarking algorithm matlab code.)