Civil Engineering Reference
In-Depth Information
Table 2.5.
Example 2.8 Gaussian elimination
1
1
1
1
10
A
=
8
4
2
1
26
−1
1
−1
1
2
3
2
1
0
10
8
4
2
1
26
Swap
A
=
1
1
1
1
10
Pivot
−1
1
−1
1
2
3
2
1
0
10
8
4
2
1
26
A
=
0
0.5
0.75
0.88
6.75
−0.125
0
1.5
−
0.8
1.13
5.25
0.125
0
0.5
0.25
−0.4
0.25
−0.375
8
4
2
1
26
A
=
0
1.5
−0.8
1.13
5.25
Swap
0
0.5
0.75
0.88
6.75
Pivot
0
0.5
0.25
−0.4
0.25
8
4
2
1
26
A
=
0
1.5
−0.8
1.13
5.25
0
0
1
0.5
5
−0.333
0
0
0.5
−0.8
−1.5
−0.333
A
=
8
4
2
1
26
0
1.5
−0.8
1.13
5.25
0
0
1
0.5
5
0
0
0
−4
−4
−0.500
1
x
=
2
A
=
−12
*
(−1)
2
3
4
