identity matrix

1. 1.

   a scalar matrix in which all of the diagonal elements are unity

   Synonymsunit matrix

   Broaderscalar matrix

Questions about identity matrix

What does identity matrix mean?

identity matrix means "a scalar matrix in which all of the diagonal elements are unity".

What is another word for identity matrix?

Close synonyms include unit matrix. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is identity matrix a common word?

identity matrix is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.