摘要
应用Cauchy不定式,建立了一类二元函数二重极限存在的充分必要条件,并举例说明了其应用。
Using Cauchy inequality,the sufficient and necessary conditions for the existence of the double limits for a class of bivariable functions were established.Some examples were given to explain its applications.
出处
《贵州大学学报(自然科学版)》
2011年第3期7-10,共4页
Journal of Guizhou University:Natural Sciences