Matrices

Front

What is a matrix?

Back

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

Front

What do the dimensions of a matrix represent?

Back

The dimensions of a matrix are represented as m x n, where m is the number of rows and n is the number of columns.

Front

What is scalar multiplication in matrices?

Back

Scalar multiplication involves multiplying each element of a matrix by a scalar (a single number).

Front

How do you add two matrices?

Back

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

Front

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

Back

The result is another 2x2 matrix.

Front

What is matrix subtraction?

Back

Matrix subtraction is the operation of subtracting corresponding elements of two matrices of the same dimensions.

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 the zero matrix?

Back

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

Front

How do you find the transpose of a matrix?

Back

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

Front

What is a row matrix?

Back

A row matrix is a matrix with only one row.