73romberg
73romberg积分
若记 (2) 0()mim i mip x a x P1( ) ( ) ( )mbm k m kakx p x d x A p x 11 1 001( ) ( . . . )mn bi m mi k m k m k kaika x x d x A a x a x a x a ( ) , 0 , 1 , 2 , . . . ,b i iax x