Matlabhanshu

数字细化完整代码，分模块细化，可用于数字识别(License plate number of refinement code)

This is layleigh source code for Matlab program

说明：  实现了sift算法,全部是用matlab写的，很实用(realize the sift)

高斯低通，高斯高通滤波器。matlab实现，用于图像平滑处理，去噪，和锐化。(gaosi，filter。)

经典的双边滤波器，去噪能力很强，很值得一用。(Classic bilateral filter, denoising ability, it is worth using.)

三电平逆变器正弦SPWM控制策略的仿真研究(Three level inverter with sinusoidal SPWM control strategy simulation)

基于matlab的粒子群优化算法，并且包含几种典型的测试函数(A Matlab optimization algorithm based on particle swarm, and contains several typical test functions.)

CVaR的计算，以及cvar最优化的投资组合权重问题(CVaR OPTIMAL)

说明：  求解系数矩阵由16阶Hilbert方程组构成的线性方程组， 3、共轭梯度法；(Solving the linear equations consisting of 16-order Hilbert equations of coefficient matrix. 3. Conjugate gradient method;)

MATLAB code for back propogation neural networks for more than five variable