包含优化类的几个简单示例程序，信号维数的估计，基于SVPWM的三电平逆变的matlab仿真，独立成分分析算法降低原始数据噪声，复化三点Gauss-lengend公式求pi，采用了小波去噪的思想，基于人工神经网络的常用数字信号调制。-Optimization class contains several simple sample programs, Signal dimension estimates, Based on SVPWM three-level inverter matlab simulation, Independent component analysis algorithm reduces the raw data noise, Complex of three-point Gauss-lengend the Formula pi, Using wavelet denoising thought, The commonly used digital signal modulation based on artificial neural network.