Grey-method

说明：  数值分析线性方程组LU分解，matlab平台实现(Numerical LU decomposition of linear equations, matlab platform)

用于码头装卸问题，数学建模；用于码头装卸问题，数学建模(For terminal handling problems, mathematical modeling for terminal handling problems, mathematical modeling)

说明：  SVPWM过调制双模式算法中控制角与调制系数的曲线关系matlab仿真及pdf文献(Curve Relation Between Control Angle and Modulation Coefficient in SVPWM Overmodulation Dual-mode Algorithms)

this code can find face object into image

这是关于电力系统潮流计算的若干源程序，基于MATLAB开发，仅供参考(This is the power flow calculation of power system on a number of source code, based on the MATLAB development, for reference only)

说明：  一种最小二乘法的RBF网络 ---------------------------------- radical basis function neural network ------------------------------------------ clear all close all global sp k w2 b2 unitcenters alldatanum=400 traindatanum=300 testdatanum=100 sp=8 errorlimit=0.1 u=rand(1,alldatanum+10) y=zeros(1,alldatanum+10) for i=4:alldatanum+3 y(1,i)=1.5*y(1,i-1)*y(1,i-2)*y(1,i-3)/(3+y(1,i-1)+y(1,i-2)*y(1,i-2)+... y(1,i-3)*y(1,i-3)*y(1,i-3))+u(1,i)+u(1,i-1)+u(1,i-2) 。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。(radical basis function neural network ------------------------------------------ clear all close all global sp k w2 b2 unitcenters alldatanum=400 traindatanum=300 testdatanum=100 sp=8 errorlimit=0.1 u=rand(1,alldatanum+10) y=zeros(1,alldatanum+10) for i=4:alldatanum+3 y(1,i)=1.5*y(1,i-1)*y(1,i-2)*y(1,i-3)/(3+y(1,i-1)+y(1,i-2)*y(1,i-2)+... y(1,i-3)*y(1,i-3)*y(1,i-3))+u(1,i)+u(1,i-1)+u(1,i-2) 。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。)

针对信号分选的常见算法，包括sdif（序列差直方图）算法，可以解决类似于固定重频信号，抖动重频信号，滑变重频信号和参差重频信号的分选等(For several common signal sorting algorithms, including pri transform, sdif (sequence difference histogram) algorithm, cdif (cumulative difference histogram) algorithm, can solve similar fixed repetition frequency signals, jitter signal repetition, repetition becomes slippery sorting and mixed signal repetition frequency signals, etc.)

根据经纬度计算两点间的球面距离（两种方法基于球面余弦公式，基于Haversine公式）、计算方位角。(calculate spherical distance and azimuth angle by Latitude and Longitude)

应用Matlab语言的微分方程仿真实验程序(Application of differential equations Matlab language simulation procedures)

说明：  汽车制动系统计算，包括防滑控制和ABS模拟计算(Automotive brake system calculation, including anti-skid control and ABS simulation calculation)