nonsmoothness

From non- +‎ smoothness.

nonsmoothness (uncountable)

1. The condition of being nonsmooth, roughness
   • 2016, Jon Lee, Daphne Skipper, “Virtuous smoothing for global optimization”, in arXiv‎^[1]:

     In the context of global optimization and mixed-integer non\-linear programming, generalizing a technique of D'Ambrosio, Fampa, Lee and Vigerske for handling the square-root function, we develop a virtuous smoothing method, using cubics, aimed at functions having some limited nonsmoothness.