matlab

求解legendre多项式的系数，N各点对应N阶legendre多项式，有N+1各多项式系数，采用递推公式，40阶后误差较大。(Solving legendre polynomials, N points corresponding to N-order legendre polynomial, there are N+1 coefficients of the polynomial, using recursive formulas, after the error of order 40 more.)

matlab的编码大全，包括各种源代码，源程序(matlab code Daquan, including source code, source code)

Plain Historical Simulation Back-testing Result

Matlab Function to analytically calculation of a frequency of a signal

采用牛顿拉夫逊法计算电网的潮流，各节点电压，各支路电流。(Newton Raphson power flow calculation, and each node voltage current in each branch.)

平面三点法运动学仿真程序，用于过载分析，MATLAB写的(Three French plane kinematics simulation program for overload analysis, MATLAB written)

用MATLAB语言求解杆的运动，采用线性插值。(Using MATLAB to Solve the rod movement, using linear interpolation.)

matlab 源程序、仿真模拟、编写的S函数(matlab 源程序)

1.IMM.m 主要功能： （1）IMM算法的实现； （2）画出目标轨迹与利用IMM算法跟踪目标的轨迹； （3）画出位置误差与速度误差； （4）画出模型混合概率图。 2.Target_track.m 主要功能： 实现目标轨迹的产生。 3.Model_mix.m 主要功能： 实现IMM算法下，各模型的估计融合。 4.Kalman.m 主要功能： 实现模型的条件滤波，以及似然函数的输出。(1.IMM.m main functions: (1) IMM algorithm implementation (2) Draw the locus and utilization of IMM target tracking algorithm goals (3) shows the position error and speed error Mixed (4) Draw model probability plots. 2.Target_track.m main functions: to produce the target locus. 3.Model_mix.m main functions: IMM algorithm, it is estimated each model integration. 4.Kalman.m main functions: the model filter condition, and it seems natural function of the output.)

本人改进的关于自适应分割方法，结合了大津法获得的阈值作为初始阈值，可以提高运行速度和分割效果(I improved on the adaptive segmentation method that combines the Otsu threshold obtained as the initial threshold, can improve speed and segmentation results)