中国科学院数学与系统科学研究院期刊网
CALCULATING THE CONVEX HULL FUNCTION AND ITS NONSMOOTH POINTS FOR A CLASS OF PIECEWISE SMOOTH FUNCTIONS
Lu Yanxin, Jia Xiaohong, Liu Xin
Mathematica Numerica Sinica . 2026, (2): 226 -248 .  DOI: 10.12286/jssx.j2025-1340