Understanding Matrices: A Flashcard Guide

Front

Definition of a matrix

Back

array of numbers arranged in rows and columns

Front

Order of a matrix

Back

Front

Identity matrix

Back

Front

Transpose of a matrix

Back

rows and columns

Front

Determinant of a matrix

Back

Front

Matrix addition condition

Back

order (same number of rows and columns)

Front

Multiplying a matrix by a scalar

Back

every entry by the scalar

Front

Matrix multiplication rule

Back

of first matrix = rows of second matrix

Front

Inverse of a matrix

Back

Front

Symmetric matrix property

Back

latex="A = A^T">