中文说明： 最小二乘回归分析算法，复化三点Gauss-lengend公式求pi，gmcalab 快速广义的形态分量分析，旋转机械二维全息谱计算，欢迎大家下载学习，有CDF三角函数曲线/三维曲线图。
English Description：
Least squares regression analysis algorithm, the complex three Gauss-lengend formula for PI, morphological component analysis for gmcalab fast generalized, rotating machinery two-dimensional holographic spectrum calculation, welcome you download the study, CDF trigonometric curves / 3D graph.