In this paper,the formula of integration by parts and the Cauchy-Schwarz inequality for double integrals are introduced,a new class of inequalities and equalities for double integrals are constructed,and they are extended to triple integrals.Examples are given to verify their practicability.
关键词
二重积分/三重积分/分部积分公式
Key words
double integral/triple integral/integration by parts