Matrix Basics

Front

What is a Matrix?

Back

A set of numbers arranged in rows and columns.

Front

What are the dimensions of a matrix?

Back

The dimensions of a matrix are given as 'rows x columns'.

Front

How do you subtract two matrices?

Back

Subtract corresponding elements from each matrix.

Front

What is the result of adding two matrices of different dimensions?

Back

Does Not Exist.

Front

If matrix A is 3 x 2 and matrix B is 2 x 3, can you multiply A and B?

Back

Yes, the result will be a 3 x 3 matrix.

Front

What is the identity matrix?

Back

A square matrix with 1's on the diagonal and 0's elsewhere.

Front

What is a zero matrix?

Back

A matrix in which all elements are zero.

Front

What is a scalar multiplication of a matrix?

Back

Multiplying each element of the matrix by a scalar (a single number).

Front

What is the transpose of a matrix?

Back

A new matrix whose rows are the columns of the original.

Front

What is a determinant?

Back

A scalar value that can be computed from the elements of a square matrix.