Matrices Basics Flashcard

Front

What are the dimensions of a matrix?

Back

The dimensions of a matrix are defined as the number of rows and columns it contains, expressed as 'rows x columns'.

Front

What comes first when stating the dimensions of a matrix?

Back

Row

Front

If a matrix has 3 rows and 2 columns, what are its dimensions?

Back

3 x 2

Front

What is the result of subtracting the following matrices: A = [5, 8, 3, 2] B = [10, -9, 8, 3]?

Back

[-5, -1, -5, -1]

Front

What is the result of multiplying the following matrices: A = [5, 5] B = [5, 5]?

Back

25

Front

Define a matrix.

Back

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

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

How do you add two matrices?

Back

To add two matrices, add their corresponding elements.

Front

What is a zero matrix?

Back

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