lihua

一阶弹性波方程交错网格差分法(时间2阶空间4阶，带边界条件) 最基础的波长快照(Elastic wave equation of first order staggered-grid difference method (time 2-order space of order 4 with boundary conditions) the wavelength of the most basic snapshot)

This is a file.m (Matlab) with the Lagrange method

说明：  This is a matlab/simulink file for simulation a permanet magnet dc machine.

this word contain a code to approximate weighted histogram

利用幂法反幂法等进行程序运算,可以获得各种适用结果.(The use of anti-power-law power-law to carry out procedures such as computing, access to a variety of application of the results.)

this file contain the matlab code and source code file .it is used for separation of lung sound from heart sound

计算矩阵特征值,特征向量，扎德算子，用于评系统的调用。(Calculating eigenvalues)

说明：  决策树算法程序，用于分类 使用的数据集为合成标签数据集(failed to translate)

With 2 Hidden Layer Backpropagation Using Matlab

一篇介绍三参数威布尔分布的参数估计方法，该法具有计算精度高、运算速度快的优点(Parameter estimation method of a three-parameter Weibull distribution describes the calculation method has high accuracy, fast speed advantages)