identity matrix Directory References Discover 9 of the World’s Deadliest Snakes What is Holy Week? Will Light-Speed Space Travel Ever Be Possible? Timeline of the American Civil Rights Movement 12 Novels Considered the “Greatest Book Ever Written” 7 of the World’s Most Dangerous Festivals 6 Wars of Independence Contents Ask the Chatbot a Question identity matrix mathematics Ask the Chatbot a Question Also known as: unit matrix Learn about this topic in these articles:types of matrix In matrix…everywhere else is called an identity, or unit, matrix. It is denoted by I or In to show that its order is n. If B is any square matrix and I and O are the unit and zero matrices of the same order, it is always true that B +… Read More Britannica ChatbotChatbot answers are created from Britannica articles using AI. This is a beta feature. AI answers may contain errors. Please verify important information using Britannica articles. About Britannica AI.