摘要
通过一个实例提出问题,进而给出微元法中推导微元及检验微元表达式的简便方法.
A question is proposed by a concrete example,and we propose simple method for the deriving and detection of the differential expression.
出处
《大学数学》
2011年第4期176-178,共3页
College Mathematics
关键词
定积分
微元法
微分
definite integral
method of differential element
differential
