Smooth vs. Non-smooth Functions

Smooth functions have a unique defined first derivative (slope or gradient) at every point. Graphically, a smooth function of a single variable can be plotted as a single

Smooth transition between functions with tanh() – Jörg Rädler

Nonsmooth Optimization

Optimize Nonsmooth Function Using patternsearch, Problem-Based

Analysis and geometry on non-smooth domains

Nonsmooth function and its smooth Legendre conjugate.

Smooth Function & Flat: Definition, Examples, C^n - Statistics How To

An introduction to Gaussian Processes

The derivative of a non-smooth function is set valued at

Non-smooth function f (x) = max{x − 1, x/2}, a quadratic function

Smooth Endoplasmic Reticulum (SER) — Structure & Function - Expii

Functional Notation - Continuity and smoothness - Describing