Page 16 - Vibrations 5

4=z2=0=z2=6=z4=0

=z3=7=

Perform the matrix multiplication,

Cq(MATRIX)3uOq(MATRIX)4=

Therefore,

0.8 − −0.4 0 1

( −0.2 0.6 − −0.4) ( 2) =
0 −0.428 1 − 3

Need to calculate the determinant,

0.8 − −0.4 0

| −0.2 0.6 − −0.4| = 0

0 −0.428 1 −

= −0.557, = 0.808, = 2.149
1
3
2

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