単たん位い行ぎょう列れつMeaningsNoun1. identity matrix; unit matrixKanji used単single位rank行go列rowComposed of単たん位いunit (e.g. meters, grams, etc.); denomination; unit (i.e. one comprised of many); group; whole; credit (in school, university, etc.); point; by the ...; in units of ...; in groups of ...; …Noun行ぎょう列れつline; queue; procession; parade; matrixNoun