CSFn
CSFn is an acronym that appears in several fields, without a single universally accepted meaning. In theoretical computer science and discrete mathematics, CSFn is often used to denote an n-ary constraint satisfaction function—a boolean-valued function F that takes an n-tuple of variable assignments and returns true if the constraints on those variables are satisfied. Such functions form part of constraint satisfaction problems (CSPs) and are used to define local constraints in algorithms and encodings.
In optimization and machine learning, CSFn can refer to a cost or objective function that has n
In software engineering and systems design, CSFn is sometimes used as a naming convention for a family
Because CSFn is not standardized, readers should rely on the surrounding text to determine the intended meaning.
See also: CSP, cost function, function, network, constraint.