precmin
Precmin is a term that does not have a single, universally accepted definition in mathematics or computer science. In practice, it is often used as shorthand for concepts related to the minimum value encountered in a sequence up to a point, sometimes specifically referring to a prefix minimum or to a previous minimum. Because it is not standardized, its exact meaning depends on context and the accompanying notation.
- Prefix minimum: precmin[i] may represent the minimum of all elements from the start of a sequence
- Previous minimum: precmin[i] may denote the minimum of elements strictly before index i, i.e., precmin[i] = min(A[0],
- Running minimum in algorithms: In various algorithms, precmin can be used as a variable or structure
Precmin is closely related to concepts such as the prefix minimum, running minimum, cumulative minimum, and
Because precmin is not uniformly defined, encountering it in code or literature should prompt checking the
See also: prefix minimum, running minimum, cumulative minimum, monotone queue, sliding window minimum. Examples depend on