Intro to Matrices

Front

What is the order of a matrix?

Back

The order of a matrix is defined by the number of rows and columns it has.

Front

You can multiply a 2X3 matrix by which matrix?

Back

You can multiply a 2X3 matrix by a 3X12 matrix.

Front

What must be true in order to ADD two matrices?

Back

The dimensions of the two matrices must be equal.

Front

What is a scalar in matrix multiplication?

Back

A scalar is a single number that can multiply each element of a matrix.

Front

What is a square matrix?

Back

A square matrix is a matrix with the same number of rows and columns.

Front

What is a zero matrix?

Back

A zero matrix is a matrix in which all elements are zero.

Front

What is the identity matrix?

Back

The identity matrix is a square matrix with ones on the diagonal and zeros elsewhere.

Front

How do you find the transpose of a matrix?

Back

The transpose of a matrix is found by swapping its rows and columns.

Front

What is matrix addition?

Back

Matrix addition involves adding corresponding elements of two matrices of the same dimensions.

Front

What is matrix multiplication?

Back

Matrix multiplication involves taking the dot product of rows and columns of two matrices.