Civil Engineering Reference
In-Depth Information
Table 2.6.
Example 2.10 Improved Gaussian-Jordan elimination
method
81
-27
9
-3
1
44
16
8
4
2
1
44
A
=
1
-1
1
-1
1
2
1
1
1
1
1
8
16
-8
4
-2
1
8
81
-27
9
-3
1
44
0
13.3333
2.2222
2.5926
0.8025
35.3086
-0.1975
A
=
0
-0.6667
0.8889
-0.9630
0.9877
1.4568
-0.0123
0
1.3333
0.8889
1.0370
0.9877
7.4568
-0.0123
0
-2.6667
2.2222
-1.4074
0.8025
-0.6914
-0.1975
81
0
13.5
2.25
2.625
115.5
2.0250
0
13.3333
2.2222
2.5926
0.8025
35.3086
A
=
0
0
1
-0.8333
1.0278
3.2222
0.0500
0
0
0.6667
0.7778
0.9074
3.9259
-0.1000
0
0
2.6667
-0.8889
0.9630
6.3704
0.2000
81
0
0
13.5
-11.25
72
-13.5000
0
13.3333
0
4.4444
-1.4815
28.1481
-2.2222
A
=
0
0
1
-0.8333
1.0278
3.2222
0
0
0
1.3333
0.2222
1.7778
-0.6667
0
0
0
1.3333
-1.7778
-2.2222
-2.6667
81
0
0
0
-13.5
54
-10.1250
0
13.3333
0
0
-2.2222
22.2222
-3.3333
A
=
0
0
1
0
1.1667
4.3333
0.6250
0
0
0
1.33333
0.2222
1.7778
0
0
0
0
-2
-4
-1.0000
81
0
0
0
0
81
-6.7500
0
13.3333
0
0
0
26.6667
-1.1111
A
=
0
0
1
0
0
2
0.5833
0
0
0
1.33333
0
1.33333
0.1111
0
0
0
0
-2
-4
1
2
x
=
2
A
=
-2880.00
1
2
