PMV-VB

一个短时傅里叶变换的C语言实现，对3万个数据进行加窗、FFT处理(A short time Fourier transform of C language, for 30,000 data windowing, FFT processing)

导线网平差程序，参数约束，通过设定不同的PX达到经典自由网，普通自由网，拟稳平差效果，算例(Wire net adjustment procedures, parameters, constraints, and examples)

求实对称矩阵的特征值特征向量，内有读入数据文件。(Realistic symmetric matrix eigenvalue eigenvector, there are read into the data file.)

说明：  用FORTRAN语言实现二维欧拉方程的求解，采用二阶MUSCL迎风格式()

差分进化算法，有测试函数，是遗传算法的改进算法，收敛快，精度高。(Differential evolution algorithm, a test function, is an improved genetic algorithm algorithm, fast convergence, high precision.)

四阶龙格库塔法解一阶二元微分方程 应用于数值计算(Fourth-order Runge-Kutta method for solving a class of binary differential equations for numerical calculation)

电磁场圣经，林为干院士的书,学习电磁场重要材料(EMF Bible, it' s dry academician of the book, an important material for studying the electromagnetic field)

计算方法程序:多项式拟合(Calculation procedure: Polynomial Fitting)

C++中矩阵运算的实现 nr3.h为其他的书籍代码，测试环境为VS2008(Achieve C++ in matrix operations nr3 code for other books)

说明：  c++语言求解稀疏矩阵方程组的ICCG法源程序。参考：《工程电磁场数值计算分析与综合》 附录（Fortran90）.(c++ solves sparse matrix equations with the ICCG method.Reference: &quot Analysis and Synthesis of Numerical Electromagnetic Field ,&quot Appendix (Fortran90).)