中文说明：复化三点Gauss-lengend公式求pi，正确率可以达到98％，迭代自组织数据分析，一种噪声辅助数据分析方法,采用热核构造权重，二维声子晶体FDTD方法计算禁带宽度的例子。
English Description：
Complex three Gauss-lengend formula of for PI, the correct rate can reach 98%, iterative self organizing data analysis, a noise assisted data analysis method, the thermonuclear structure weight, two-dimensional phononic crystal FDTD method example calculations for band gap width.