Game Development Reference
In-Depth Information
To eliminate the second element from the first row, you can make use of the
transformed version of the second row. The value of the second element in the
second row is 1, so you do not have to make any changes to reach your objective.
You simply add the second row to the first. When you do so, your work takes on
this form:
15
3
18
3
1
1
Previous first row set up for the addition
:
8
3
14
3
01
The transformed second row
:
10
7
3
4
3
New first row
:
Here is the new matrix:
10
7
4
3
3
14
3
04
31
8
3
01
You now proceed to multiply the second row by
4 to create values that you can
add to the third row to eliminate the second element. Here are the activities you
perform:
9
3
33
3
04
:
Change third row to fractions
33
3
56
3
0
4
Second row multiplied by
4
:
00
23
3
23
3
New third row
ð
second row
þ
first row
Þ:
Here is the new matrix:
10
7
3
4
3
8
3
14
3
01
00
23
23
3
3
