aa
256 Chapter 5 / Transient and Steady-State Response Analyses
where
Similarly, subtracting from the fourth row a 0 /a 1 times the third row yields
where
Next, subtracting from the third row a 1 /a 22 times the second row yields
where
Finally, subtracting from the last row times the third row yields
where
a 44 =aˆ 44 -
aˆ 43
a 33
a 34
¢ 4 = 4
a 11
0
0
0
a 3
a 22
0
0
a 5
a 23
a 33
0
a 7
a 24
a 34
a 44
4
aˆ 43 a 33
a 34 =a 5 -
a 1
a 22
a 24
a 33 =a 3 -
a 1
a 22
a 23
¢ 4 = 4
a 11
0
0
0
a 3
a 22
0
0
a 5
a 23
a 33
aˆ 43
a 7
a 24
a 34
aˆ 44
4
aˆ 44 =a 4 -
a 0
a 1
a 5
aˆ 43 =a 2 -
a 0
a 1
a 3
¢ 4 = 4
a 11
0
0
0
a 3
a 22
a 1
0
a 5
a 23
a 3
aˆ 43
a 7
a 24
a 5
aˆ 44
4
a 24 =a 6 -
a 0
a 1
a 7
a 23 =a 4 -
a 0
a 1
a 5
a 22 =a 2 -
a 0
a 1
a 3
a 11 =a 1
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