pathological
1. [ scientific computation] U sed of a data set that i s gro ssly atypical of normal expected input, e specially one that expo se s a weakne ss or bug in whatever algorithm one i s u sing. An algorithm that can be broken by pathological input s may still be u seful if such input s are very unlikely to occur in practice. 2. When u sed of te st input, implie s that it wa s purpo sefully engineered a s a wor st ca se. The implication in both sen se s i s that the data i s spectacularly ill-conditioned or that someone had to explicitly set out to break the algorithm in order to come up with such a crazy example. 3. Al so said of an unlikely collection of circum stance s. "If the network i s down and come s up halfway through the execution of that command by root, the sy stem may ju st cra sh." "Ye s, but that' s a pathological ca se." Often u sed to di smi ss the ca se from di scu ssion, with the implication that the con sequence s are acceptable, since they will happen so infrequently (if at all) that it doe sn' t seem worth going to the extra trouble to handle that ca se ( see sen se 1). [ Jargon File] style="border-width:thin; border-color:#333333; border-style:dashed; padding:5px;" align="left">In addition suitable contents: [ 2 ] [ = ] [ accept ] [ ad ] [ ai ] [ al ] [ algorithm ] [ am ] [ an ] [ app ] [ ar ] [ arc ] [ arg ] [ as ] [ ash ] [ at ] [ az ] [ b ] [ be ] [ bo ] [ bot ] [ br ] [ break ] [ broken ] [ by ] [ ca ] [ case ] [ cat ] [ cc ] [ ch ] [ ci ] [ co ] [ com ] [ comma ] [ command ] [ con ] [ cons ] [ cr ] [ crash ] [ cu ] [ data ] [ data set ] [ de ] [ disc ] [ do ] [ down ] [ du ] [ ec ] [ ed ] [ ee ] [ engine ] [ er ] [ es ] [ et ] [ exec ] [ execution ] [ expect ] [ fi ] [ file ] [ fr ] [ gh ] [ gi ] [ gr ] [ h ] [ handle ] [ hat ] [ hm ] [ hr ] [ id ] [ ie ] [ il ] [ implies ] [ in ] [ inc ] [ input ] [ io ] [ ir ] [ is ] [ it ] [ J ] [ Jargon File ] [ ke ] [ ken ] [ kn ] [ la ] [ Lex ] [ li ] [ logical ] [ ls ] [ ly ] [ ma ] [ man ] [ mm ] [ mo ] [ mod ] [ module ] [ mp ] [ ms ] [ na ] [ nc ] [ ne ] [ net ] [ network ] [ nf ] [ ng ] [ nl ] [ no ] [ norm ] [ np ] [ ns ] [ O ] [ om ] [ pa ] [ path ] [ pe ] [ ph ] [ pl ] [ pr ] [ pt ] [ query ] [ rc ] [ re ] [ rl ] [ ro ] [ root ] [ sa ] [ sc ] [ se ] [ set ] [ sh ] [ si ] [ sl ] [ sm ] [ sn ] [ so ] [ spec ] [ st ] [ su ] [ sy ] [ system ] [ T ] [ table ] [ test ] [ th ] [ to ] [ tr ] [ tw ] [ ug ] [ um ] [ up ] [ us ] [ ve ] [ Y ]
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