kalman_fliter_nine

分数傅里叶变换和分数余弦变换，动态展示实部，虚部和模值(Computation of the Fractional Fourier Transform)

采用时域数值仿真算法较为精确的仿真铣削加工过程动态力(By using numerical simulation algorithm is more accurate simulation of milling process dynamic force)

说明：  非常详细的umat 雅可比矩阵更新算法的讲解(detailed describetion of the jacobian matrix in abaqus umat)

用于计算太阳辐射的模型，该模型计算精度好，方法简单(Used to calculate the solar radiation model, the model accuracy, the method is simple)

说明：  采用有限元及有限差分的方法进行微分方程的求解(This book is introduction to finite difference and finite element methods is aimed at advanced undergraduate and graduate students who need to solve differential equations. T)

这是利用C++ 编的fft(This is the C series fft)

本程序可以实现在交错网格条件下的三维有限差分正演模拟(This procedure can be achieved under the conditions of the staggered grid finite difference forward modeling)

相场法模拟晶粒,有关相场的matlab程序，有相场法fortran源代码 (Matlab program on phase field)(grain evalution based on phase field method)

本人上传的为线性拉东变换方法，它能够提取面波的频散曲线(I uploaded is of linear radon transform method， it can extract of surface wave dispersion curves)

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