identity matrix

NOUN
15 LETTERS · STARTS WITH I

identity matrix is a valid 15-letter word worth 27 points in Scrabble and 28 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
I1D2E1N1T1I1T1Y4M3A1T1R1I1X8
1 + 2 + 1 + 1 + 1 + 1 + 1 + 4 + 0 + 3 + 1 + 1 + 1 + 1 + 8 =27 PTS
DOUBLE WORD → 54TRIPLE WORD → 81
MEANING

What does identity matrix mean?

NOUN · 1 SENSE
1

A scalar matrix in which all of the diagonal elements are unity.

SYNONYMS