Departmental Bulletin Paper 積分区間分割による数値積分の効率的な計算法
Efficient Computation Method of Numerical Integration by Integral Interval Division

平山 弘  ,  加藤 俊二

42pp.47 - 51 , 2018-03-20 , 神奈川工科大学
ISSN:21882878
NCID:AA12669200
Description
When an integral interval [a; b] of the integral with the bad condition is divided into two or more intervals and higher order numerical integral formula is applied every area and the whole one, good results are sometimes obtained with few sample points. In this paper, we show that you can get the condition to define convergence speed of numerical integration and partition method from numerical integration method of contour integral on complex plane.
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