Intro to Matrices

Front

What is a matrix?

Back

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

Front

What is matrix multiplication?

Back

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

Front

What are the dimensions of a matrix with 3 rows and 2 columns?

Back

3 x 2

Front

What is the order of a matrix?

Back

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

Front

What is a scalar matrix?

Back

A scalar matrix is a square matrix in which all the elements of the principal diagonal are the same and all other elements are zero.

Front

How do you add two matrices?

Back

To add two matrices, add their corresponding elements.

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 the 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.

Front

What is a determinant?

Back

The determinant is a scalar value that can be computed from the elements of a square matrix and provides important properties of the matrix.