摘要
针对《近世代数习题解》中一道习题的错解,深入分析了错误的原因,利用一个概率问题的解答给出了正确的解答,并得到了第二类Stirling数的解析表达式.
The paper presents a detailed analysis of an error occurred in an exercise of The Exercise Collection of Modern Algebra. With the help of the solution to a probability question, we give the correction. An analytic expression about Stirling numbers of the second kind is also incorporated.
出处
《大学数学》
2012年第2期145-147,共3页
College Mathematics