ഉദാഹരണത്തിന്, ഒരു ടാസ്കിന് സംഭവിക്കാവുന്ന ഡയറക്റ്റ് ഇൻവെർഷൻ ന്റെ തിരിച്ചറിയലും ആ വിപരീതത്തിന്റെ കാലാവധിയും കണ്ടെത്തേണ്ടതുണ്ട്.
ఉదాహరణకు, ఒక పని కోసం సంభవించే ప్రత్యక్ష విలోమాల గుర్తింపు మరియు ఆ విలోమం యొక్క వ్యవధి కనుగొనవలసి ఉంటుంది.