Matrices

Front

What is a matrix?

Back

A matrix is a rectangular array of numbers, symbols, or expressions, arranged in rows and columns.

Front

How do you denote the size of a matrix?

Back

The size of a matrix is denoted by the number of rows and columns it has, written as 'm x n' where m is the number of rows and n is the number of columns.

Front

What is the order of a matrix?

Back

The order of a matrix refers to its dimensions, specifically the number of rows and columns.

Front

What is an element of a matrix?

Back

An element is an individual item or entry in a matrix, located at the intersection of a specific row and column.

Front

Can you add matrices of different dimensions?

Back

No, you can only add matrices that have the same dimensions.

Front

What is the result of multiplying a 2x3 matrix by a 3x2 matrix?

Back

The result is a 2x2 matrix.

Front

What is a square matrix?

Back

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

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.

Front

What is the transpose of a matrix?

Back

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