Machine Learning, Data Science, Optimization, Gradient Descent, Convexity.
derivative of that function is greater than or equal to 0. Condition for convex functions. Examples of convex functions: y=eˣ, y=x². Both of these functions are differentiable twice. If -f(x) (minus f(x)) is a convex function, then the function is called a concave function. Condition for concave