FEMprogram

说明：  用C语言编写多元线性回归方程，写得不好的地方请指教！(Using C language multiple linear regression equation, where poorly written, please advice!)

利用FDTD算法简单计算波导耦合环的M文件。( M-file of using FDTD approach simulation the waveguide coupling ring)

蒙特卡洛资料，对于编写概率计算问题有较多的帮助，希望能帮到需要的人。(Monte Carlo)

程序提示用户输入两个数,然后它将输出这两个数字的和、差、积、商、以及余数，分十进制和十六进制两种格式 (The program prompts the user to enter two numbers, then it will be the output of these two numbers and difference, product, quotient, and the remainder, and decimal and hexadecimal two formats)

这是用C++做矩阵求逆和矩阵相乘，可以解简的线性方程。已验证，互相交流~(This is done using C++ matrix inversion and matrix multiplication, linear equations can be solved。)

There is an algorithm that converts RGB Color to YCbCr

分维反映了复杂形体占有空间的有效性，它是复杂形体不规则性的量度。它与动力系统的混沌理论交叉结合，相辅相成。它承认世界的局部可能在一定条件下或过程中，在某一方面（形态，结构，信息，功能，时间，能量等）表现出与整体的相似性，它承认空间维数的变化既可以是离散的也可以是连续的，进而拓展了视野。(Fractal dimension reflects the validity of space occupied by complex bodies, which is a measure of irregularity of complex bodies. It combines with chaos theory of dynamic system and complements each other. It recognizes that the part of the world may be similar to the whole in certain conditions or processes (form, structure, information, function, time, energy, etc.). It recognizes that the change of spatial dimension can be discrete or continuous, thus expanding the horizon.)

该函数用来计算任意函数的一阶偏导数(数值方法),使用大量的有限元法求解偏微分方程，基于kaiser窗的双谱线插值FFT谐波分析。( This function is used to calculate the arbitrary function of the first order partial derivative (numerical methods), Using a large number of finite element method to solve partial differential equations, Dual-line interpolation FFT harmonic analysis kais)

说明：  线弹性umat钛合金,有cae文件，可以进行晶体塑性模拟(linear umat for titanium aloy)

天线组阵中相位差的递推最小二乘估计与滤波(Phase array antenna group recursive least squares estimation and filtering)