identity matrix
Americannoun
Etymology
Origin of identity matrix
First recorded in 1940–45
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Since we know that the product of a matrix and its inverse is the identity matrix, we can find the inverse of a matrix by setting up an equation using matrix multiplication.
From Textbooks • Sep. 23, 2020
TRY IT #3 Use the formula to find the inverse of matrix Verify your answer by augmenting with the identity matrix.
From Textbooks • Sep. 23, 2020
Performing elementary row operations so that the identity matrix appears on the left, we will obtain the inverse matrix on the right.
From Textbooks • Feb. 13, 2015
Instead, we will augment the original matrix with the identity matrix and use row operations to obtain the inverse.
From Textbooks • Feb. 13, 2015
The identity matrix is a square matrix containing ones down the main diagonal and zeros everywhere else.
From Textbooks • Feb. 13, 2015
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
