invariant : Dictionary / Wörterbuch (BEOLINGUS, TU Chemnitz)

English Dictionary: invariant	by the DICT Development Group
3 results for invariant
From WordNet (r) 3.0 (2006) [wn]:
invariant adj unaffected by a designated operation or transformation unvarying in nature; "maintained a constant temperature"; "principles of unvarying validity" Synonym(s): changeless, constant, invariant, unvarying n a feature (quantity or property or function) that remains unchanged when a particular transformation is applied to it
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Invariant \Inva"riant\, n. (Math.) An invariable quantity; specifically, a function of the coefficients of one or more forms, which remains unaltered, when these undergo suitable linear transformations. --J. J. Sylvester.
From The Free On-line Dictionary of Computing (15Feb98) [foldoc]:
invariant A rule, such as the {ordering} of an ordered list or {heap}, that applies throughout the life of a data structure or procedure. Each change to the data structure must maintain the correctness of the invariant. (1996-03-12)