Matrices

Front

What is a matrix?

Back

A matrix is a rectangular array of numbers arranged in rows and columns.

Front

What is the order of a matrix?

Back

The order of a matrix is defined by the number of rows and columns it contains, expressed as 'rows x columns'.

Front

How do you add two matrices?

Back

To add two matrices, they must have the same order. Add corresponding elements together.

Front

What is matrix multiplication?

Back

Matrix multiplication involves multiplying rows of the first matrix by columns of the second matrix.

Front

What is the result of adding a 2x2 matrix and a 2x2 matrix?

Back

The result is another 2x2 matrix.

Front

What is a row in a matrix?

Back

A row is a horizontal line of elements in a matrix.

Front

What is a column in a matrix?

Back

A column is a vertical line of elements in a matrix.

Front

Can you multiply a 2x3 matrix by a 3x2 matrix?

Back

Yes, the result will be a 2x2 matrix.

Front

What is the identity matrix?

Back

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

Front

What is a zero matrix?

Back

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