Riemann-problems

经验正交函数分析FORTRAN程序，用于变量场的时空结构分离（配套书籍《现代气候统计诊断与预测技术》）。(empirical orthogonal function, FORTRAN procedure, used to separate the spatio-temporal structure of climate variables.)

由Music算法估计线阵波达方向，搜索频谱波峰。(Estimation of linear array DOA by Music algorithm, searching spectral peak.)

基于全相位谱分析的相位差频谱校正法，结合了全相位FFT与传统FFT谱分析法。(Phase Difference Correcting Spectrum Method)

基于AOA的室外雷达定位算法仿真，基于TDOA的室外雷达定位算法仿真，基于AOA doa的室外雷达定位算法仿真，三维(Simulation of outdoor radar location algorithm based on AOA, simulation of outdoor radar location algorithm based on TDOA, simulation of outdoor radar location algorithm based on AOA TDOA, 3d)

常见的各类数值和字符算法，包括微积分、插值、矩阵、微分方程、方程组求解和字符串操作等，Fortran77版本，可直接用于各位自己的代码开发中(Most common algorithms, including numerical and char recipes, Fortran 77 version, can be used in your own program develpment directly)

fft谐波分析的实例，并求出THD即谐波畸变率 (Examples fft harmonic analysis, and find THD)

说明：  vumat案例,可以参考这个vumat子程序自行学习vumat的编写(hi. it is a file for VUMAT. it may help you to learn about it.)

基因的FFT变换，可以快速得出外显子的位置(Transform FFT of the gene can be quickly drawn to the location of exon)

提供几种著名的大型线性方程组迭代算法，包括CG、PCG、Lanczos、MINRES(Several well-known large-scale linear equations iterative algorithm, including CG, PCG, Lanczos, MINRES)

说明：  本模拟是采用分步傅里叶的解，求光孤子在光线内传输过程数值求解薛定谔方程。方程是激光器在光纤中传输的过程。(In this simulation, the fractional Fourier solution is used to solve the Schrodinger equation. The equation is the process of laser transmission in fiber.)