湖南文理学院学报（自然科学版）
湖南文理學院學報（自然科學版）
호남문이학원학보（자연과학판）
JOURNAL OF HUNAN UNIVERSITY OF ARTS AND SCIENCE(SCIENCE AND TECHNOLOGY)
2015年
2期
1-2
,共2页
刘金旺%关剑成%王卫兵%周飞跃%袁梓翰
劉金旺%關劍成%王衛兵%週飛躍%袁梓翰
류금왕%관검성%왕위병%주비약%원재한
函数%函数列%无穷小量
函數%函數列%無窮小量
함수%함수렬%무궁소량
function%series of functions%infinitesimals
通过2个无穷可数个无穷小量的积及2个无穷可数个无穷小量的和的实例，证明了无穷可数个无穷小量的积或者和均不一定是无穷小量。
通過2箇無窮可數箇無窮小量的積及2箇無窮可數箇無窮小量的和的實例，證明瞭無窮可數箇無窮小量的積或者和均不一定是無窮小量。
통과2개무궁가수개무궁소량적적급2개무궁가수개무궁소량적화적실례，증명료무궁가수개무궁소량적적혹자화균불일정시무궁소량。
For two examples of in either of which there are infinite infinitesimals whose product are not an infinitesimal, and two other examples in either of which there are infinite infinitesimals whose sum are not an infinitesimal, it is obtained that the product (sum) of infinite infinitesimals is not necessarily an infinitesimal.
