FAM

this document contain some demonstrations in mathematics , it can bee very helpful for beginners

粘弹正演程序和模型实例,2维数值模拟正演，适应于粘弹介质，(This program can be two-dimensional numerical simulation of acoustic wave equation, Viscoelastic isotropic media.)

wolf 方法计算李雅普诺夫指数,用于时频分析算法，旋转机械二维全息谱计算的实用例程。( wolf calculated Lyapunov exponent, For time-frequency analysis algorithm, Rotating Machinery dimensional hologram of practical spectrum calculation routines.)

用C++编写的一维和二维快速傅里叶变换程序(Prepared with C++ one-dimensional and two-dimensional fast Fourier transform procedure)

说明：  邓肯张在ansys中的二次开发，适合于土体有限元分析(second development of duncan-zhang in ansys,it s be used to ansys)

SPH计算泊肃叶流动,利用周期边界条件和虚拟粒子固壁条件(SPH Code for poiseuille Flow by peoriodic boundary condtion)

多维随机数的生成方法，一维随机数生成方法，高维随机数的生成方法(Generation methods of multidimensional random number, one-dimensional random number and high-dimensional random number)

精确黎曼求解器； 精确黎曼求解器：hll、hllc方法；(Accurate Riemann solver; Accurate Riemann Solver: HLL, HLLC method;)

运用线性矩阵不等式(LMI)求解鲁棒优化问题。该LMI不等式求解代码，更具有一般性，结合matlab中help命令,能够方便的对新的LMI问题求解(This programme code is useful for the common optimization problem, combined with the description of matlab help statement, a new LMI problem can be easy to solve. )

MAYLAB语言编写柯林斯公式的S-FFT及D-FFT计算程序，请读者自行根据需要修改(MAYLAB language Collins formula S-FFT and D-FFT calculation program, the reader according to their needs modification)