摘要
介绍了数理方程反问题的概念、研究意义和现状，归纳了研究该问题的理论方法和数值方法，并指出了研究该问题的发展前景。
This paper introduces the concept and significance of studying inverse problems, summarizes the theoretical methods and numerical methods, and points out the features of studying the problem.
关键词
数学物理方程
反问题
数值法
微分方程
Equation of mathematical physics Inverse problem Existence and uniqueness Theoretical methods and numerical methods
