Matrix Basics

Front

What is a Matrix?

Back

A set of numbers arranged in rows and columns.

Front

How many rows are in a 7 x 3 matrix?

Back

7

Front

How many columns are in a 5 x 4 matrix?

Back

4

Front

What element is in the second row, third column of Matrix R if it contains the following elements: [1, 2, 3], [4, 5, 6], [7, 8, 9]?

Back

6

Front

What is the value of element R_3,2 in Matrix R if it contains the following elements: [1, 2, 3], [4, 5, 6], [7, 8, 9]?

Back

8

Front

What is the dimension of a matrix with 4 rows and 5 columns?

Back

4 x 5

Front

What is the term for the number of rows in a matrix?

Back

Row count.

Front

What is the term for the number of columns in a matrix?

Back

Column count.

Front

If a matrix has 3 rows and 2 columns, how many total elements does it have?

Back

6

Front

What is the notation for the element in the first row and first column of a matrix?

Back

A_1,1.