包含优化类的几个简单示例程序，进行波形数据分析,有CDF三角函数曲线/三维曲线图，结合PCA的尺度不变特征变换(SIFT)算法，这个有中文注释，看得明白，旋转机械二维全息谱计算。- Optimization class contains several simple sample programs, Waveform data analysis, There CDF trigonometric curve/3D graphs, Combined with PCA scale invariant feature transform (SIFT) algorithm, The Chinese have a comment, understand it, Rotating machinery 2-d holographic spectrum calculation.