Index[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [X] matrix [See QFD matrix] decision graph as 2nd 3rd Mean Time Between Failure (MTBF) (note) Mean Time To Failure (MTTF) setting failure intensity objectives 2nd 3rd 4th 5th Mean Time to Repair (MTTR) (note) metadata 2nd needed for project portfolio management 2nd 3rd 4th model-based specification 2nd and test case design [See test case design] boundary condition failures 2nd 3rd 4th 5th numeric nature of postconditions [See post conditions] preconditions [See preconditions] prioritizing 2nd modeling state change 2nd 3rd 4th 5th 6th 7th 8th 9th 10th 11th modeling techniques prioritizing Oil & Gas Exploration Systems example (cross-company decision making) 2nd MTBF (Mean Time Between Failure) (note) MTTF (Mean Time To Failure) setting failure intensity objectives 2nd 3rd 4th 5th MTTR (Mean Time to Repair) (note) multiple preconditions for postconditions 2nd |