delta
1. A quantitative change, especially a small or incremental one (this use is general in physics and engineering). "I just doubl ed the spe ed of my program!" "What was the delta on program size?" "About 30 percent." (He doubl ed the spe ed of his program, but increas ed its size by only 30 percent.) 2. [Unix] A diff, especially a diff stor ed under the set of version-control tools call ed SCCS (Source Code Control System) or RCS (Revision Control System). See {change management}. 3. A small quantity, but not as small as epsilon. The jargon usage of delta and epsilon stems from the traditional use of these letters in mathematics for very small numerical quantities, particularly in "epsilon-delta" proofs in limit theory (as in the differential calculus). The term delta is often us ed, once epsilon has been mention ed, to mean a quantity that is slightly bigger than epsilon but still very small. "The cost isn' t epsilon, but it' s delta" means that the cost isn' t totally negligible, but it is nevertheless very small. Common constructions include "within delta of ---", "within epsilon of ---": that is, "close to" and "even closer to". [ Jargon File] (2000-08-02) In addition suitable contents: [ 2 ] [ = ] [ ad ] [ ag ] [ al ] [ am ] [ an ] [ ar ] [ arc ] [ arg ] [ as ] [ at ] [ b ] [ be ] [ bi ] [ bo ] [ by ] [ C ] [ ca ] [ CCS ] [ ch ] [ change management ] [ ci ] [ cl ] [ co ] [ con ] [ cons ] [ control ] [ cr ] [ cu ] [ de ] [ diff ] [ do ] [ du ] [ ec ] [ ed ] [ ee ] [ eg ] [ engine ] [ epsilon ] [ er ] [ era ] [ es ] [ et ] [ fi ] [ file ] [ fo ] [ for ] [ fr ] [ ge ] [ gen ] [ gh ] [ gi ] [ gl ] [ gr ] [ h ] [ hang ] [ hat ] [ hr ] [ ht ] [ id ] [ ie ] [ iff ] [ il ] [ in ] [ inc ] [ include ] [ io ] [ is ] [ it ] [ J ] [ jar ] [ Jargon File ] [ la ] [ lc ] [ Lex ] [ li ] [ lose ] [ loser ] [ ls ] [ lt ] [ lu ] [ ly ] [ ma ] [ mall ] [ man ] [ management ] [ mm ] [ mo ] [ mod ] [ module ] [ ms ] [ my ] [ na ] [ nc ] [ ne ] [ ng ] [ ni ] [ nl ] [ no ] [ ns ] [ nu ] [ om ] [ pa ] [ pe ] [ percent ] [ ph ] [ pr ] [ program ] [ proof ] [ query ] [ rc ] [ RCS ] [ re ] [ Revision Control System ] [ rl ] [ ro ] [ ru ] [ S ] [ sa ] [ SC ] [ SCC ] [ SCCS ] [ se ] [ set ] [ si ] [ silo ] [ sl ] [ sm ] [ sn ] [ spec ] [ st ] [ store ] [ struct ] [ T ] [ th ] [ theory ] [ to ] [ tool ] [ tr ] [ tt ] [ ua ] [ um ] [ us ] [ ve ] [ version ] [ vi ] [ within delta of ] [ within epsilon of ]
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