Web: https://www.reddit.com/r/MachineLearning/comments/sgtog6/d_objective_function_of_the_travelling_salesman/

Jan. 31, 2022, 5:44 a.m. | /u/ottawalanguages

Machine Learning reddit.com

If you can not take the derivative of your objective function - is the idea of "convexity" irrelevant?

Whenever I look at the mathematical definitions of "convexity" - there always eventually seems to be a requirement that for the idea of "convexity" to apply, the function must be differentiable (i.e. you can take the derivative). For instance: we say that a Non-Convex Function can have Saddle Points - and Saddle Points are points on a function where the second derivatives …


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