hmqd

使用matlab编写的时域有限差分法，pec边界的光子晶体。(Written using matlab finite difference time domain method, pec boundary of the photonic crystal.)

地震数据球面扩散振幅补偿程序，fortran源代码。(sphdiv for seismic explorer)

利用有限元理论，求一二维梁的固有频率和振型。短边固定，给定长度、横截面积，弹性模量及材料密度已知。并对比理论计算结果进行分析。各参数自己设定。(Using finite element theory, seeking a two-dimensional beam natural frequencies and modes. The short side is fixed, given the length, cross-sectional area, modulus of elasticity and density of the material is known. And compare the theoretical calculation results were analyzed. Each parameter set.)

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)

说明：  龙格-库塔方法的使用，例子 求y’=y-2x/y，y(0)=0。 解：输入X0=0，X1=1，H=0.2，N=6。()

混合储能，风机，光伏，柴油机之间的优化配置的仿真分析程序(Optimize the allocation of mixed storage, wind, solar, diesel between Simulation Software)

说明：  implementation of the zero -, first -, and second-order Bessel function

用SSF算法精确的求解了描述超短脉冲在光纤中传输的非线性薛定谔方程，对于光电子光通信的同行较有参考价值。(With the SSF algorithm for solving accurately describing the transmission of ultrashort pulses in optical fiber nonlinear Schrö dinger equation, for optoelectronic and optical communications counterparts more reference value.)

SAP5 源代码，完整的有限元源程序。LS1.FOR-LS10.FOR(SAP5 Source Code)

很好用的有关矩阵的各种操作，包括求逆，特征值，特征向量，svd分解等(good part of the matrix of various operations including inverse, eigenvalues, eigenvectors, svd decomposition, etc.)