Chapter 6: Matrices

Question 1

What is a square matrix?

Answer 1

A matrix with the same amount of rows and columns

Question 2

What is a zero matrix?

Answer 2

A matrix in which all elements are 0

Question 3

What is an identity matrix?

Answer 3

A square matrix in which elements on the leading diagonal (top left to bottom right) are all 1 and the rest are 0.
e.g. |1 0|
|0 1|