I read a paper now (field: theoretical physics, which is also my background), where they claim that some approach to solve the problem is "numerically exact".
What does this mean?
2026-03-27 17:51:39.1774633899
What is "numerically exact approach"?
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It means that the algorithm used to solve the problem does not involve any approximation so that the final result is exact up to machine precision ($10^{-16}$ for double precision floats for example).