复化三点Gauss-Legendre数值求积公式的外推算法  

Extrapolation method for composite three points Gauss-Legendre numerical integral formulas

作　　者：宋云涛 王慧颖 苏莉 SONG Yuntao;WANG Huiying;SU Li(General Courses Department,China Fire and Rescue Institute,Beijing 102202)

机构地区：[1]中国消防救援学院基础部,北京102202

出　　处：《首都师范大学学报（自然科学版）》2022年第4期19-22,共4页Journal of Capital Normal University：Natural Science Edition

摘　　要：通过Richardson外推的方法,对复化三点Gauss-Legendre求积公式外推,得到高精度的数值积分公式——复化三点Gauss-Legendre求积公式序列{L_(k)(h)}.Composite three points Gauss-Legendre integral formula is extrapolated by Richardson extrapolation method,and high precision numerical integral formulas——sequence{L_(k)(h)}of composite three points Gauss-Legendre integral formulas are obtained.

关 键 词：Richardson外推算法 Gauss-Legendre求积公式 复化求积公式 

分 类 号：O172.2[理学—数学]