Decision theorists do it optimally. Differential analysts Differential analysts do it in a degenerate case. Fermat Fermat did it in the margin. Fermat tried to do it in the margin, but couldn't fit it in. Functional analysts Functional analysts do it with compact support.
Functional analysts do it with degenerate colonels.
Galois Galois did it the night before. Galois theorists do it in a field. Game theorists do it by dominance or saddle points. Game theorists score most often. General relativists General relativists do it with curvature.