As the development of thenonsmooth theory and many efficient algorithms were presented, a lot ofproblems which are difficult to analyze using the classic smooth function theorycan be solved well now.

• 随着非光滑分析理论的逐步完善和许多卓有成效的算法的提出，很多用经典光滑函数理论难于分析和解决的问题可以更好地得到解决。