# identity matrix definition

• noun:
• A square matrix with 1's over the diagonal from top remaining to reduce right and 0's in every various other roles.
• A diagonal matrix the diagonal elements of which are add up to 1.
• a scalar matrix in which most of the diagonal elements tend to be unity

## Related Sources

• Synonym for "identity matrix"
• unit matrix
• Hypernym for "identity matrix"
• scalar matrix