The matrix derived from a system of linear equations
Augmented matrix
A matrix with only one row
Row matrix
A matrix with only one column
Column matrix
A nonsingular matrix that’s given by A^-1
Inverse
Real numbers multiplied by a matrix
Scalar
Every square matrix can be associated with this real number value
Determinant
A matrix that has 1 as the entries in a diagonal and all numbers above and below the 1 are zeros
REF