Bonus

This class of methods is contrasted with another class in which the differential operator is approximated with difference quotients. For 10 points each:
[10m] Name this class of numerical methods that solve a PDE by defining a discrete mesh and solving the problem on each component. The stiffness matrix is computed in this subclass of the Galerkin method.
ANSWER: finite element methods [accept finite element analysis or FEM or FEA; reject “finite difference method” or “finite volume method” or “FDM” or “FVM”]
[10e] Finite element methods use an operator named for this process, in which data are estimated at points between known data points.
ANSWER: interpolation [or interpolating; accept interpolation operator]
[10h] After discretizing, the existence of a solution to the adjoint problem is guaranteed by a theorem named for this mathematician, which also underpins bra-ket notation. This mathematician’s brother is the alphabetically first namesake of a theorem about interpolating operators on L-p (“big-L-P”) spaces.
ANSWER: Frigyes Riesz (“FREE-jesh REESS”) [accept Riesz representation theorem or Riesz-Fréchet representation theorem or Riesz–Thorin interpolation theorem; reject “Marcel Riesz”]
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Summary

TournamentExact Match?HeardPPBEasy %Medium %Hard %
2025 ACF NationalsYes2413.75100%38%0%