Global vs local maximum. https://en.wikipedia.org/wiki/Maxima_and_minima https://en.wikipedia.org/wiki/Maxima_and_minima Related: what's the best for one part

Global vs local maximum. https://en.wikipedia.org/wiki/Maxima_and_minima https://en.wikipedia.org/wiki/Maxima_and_minima Related: what's the best for one part of the system, may not be the best for the entire system.