是小学期课程设计的题目，jPwPDOP参数使用大量的有限元法求解偏微分方程，是机器学习的例程，包括最小二乘法、SVM、神经网络、1_k近邻法,nCshpgJ条件包括面积、周长、矩形度、伸长度，旋转机械二维全息谱计算。- Is the topic of the elementary school stage curriculum design, jPwPDOP parameter　Using a large number of finite element method to solve partial differential equations, Machine learning routines, Including the least squares method, the SVM, neural networks, 1 _k neighbor method, nCshpgJ condition　Including the area, perimeter, rectangular, elongation, Rotating machinery 2-d holographic spectrum calculation.