Properties
Matrices
Operation on matrices
Challenge
100
The term used to refer to the number of rows and columns in a matrix.
Order of a matrix
or
Dimension of a Matrix
100
This has a single column of elements.
What is a column matrix?
100
Identify element a23 from A =
What is a23 = 2
100
[ 1 0
0 1 ]
This special matrix is called the?
What is the identity matrix?
200
The shape of a matrix is generally ______________
Rectangular or square
200
Dimensions
4 X 2
200
How many columns are in this matrix?
[ 3 8 2 1
-4 0 9 5 ]
What is 4?
200
What is the element in Row 3, Column 1?
[ 7 -1 4
2 5 9
0 3 -6 ]
What is 0?
300
How an m rows and n columns matrix is described
What is an m x n matrix
300
Do the following and determine a13 of the result:
What is a13 = 20?
300
What is the element in Row 3, Column 3?
[ 7 -1 4
2 5 9
0 3 -6 ]
What is -6?
300
What is the element in Row 1, Column 2?
[ 7 -1 4
2 5 9
0 3 -6 ]
What is -1?
400
This matrix has the same number of rows as columns.
What is a square matrix?
400
Do the following scalar multiplication and determine all elements of the result:
What is 4*(-4) 4*(3) 4*(-5)?
| -16 |
| 12 |
| -20 |
400
What is the element in Row 1, Column 3?
[ 7 -1 4
2 5 9
0 3 -6 ]
What is 4?
400
What is the element in Row 2, Column 3?
[ 7 -1 4
2 5 9
0 3 -6 ]
What is 9?
500
It contains only Zeros?
Zero matrix
500
Matrices that have the same numbers in the same positions and have the same order.
What are equal matrices?
500
2C + A
What is
|7 -19|
|0 15|
500
What does the identity matrix look like?
What is
[ 1 0
0 1 ] ?