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The eigenvectors a(1) and a(2) that describe the motion in

Chapter 11, Problem 11.33

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QUESTION:

The eigenvectors a(1) and a(2) that describe the motion in the two normal modes of the two carts of Section 11.2 are given in (11.78). Prove that any (2 x 1) column x can be written as a linear combination of these two eigenvectors; that is, a(1) and a(2) are a basis of the space of (2 x 1) columns.

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QUESTION:

The eigenvectors a(1) and a(2) that describe the motion in the two normal modes of the two carts of Section 11.2 are given in (11.78). Prove that any (2 x 1) column x can be written as a linear combination of these two eigenvectors; that is, a(1) and a(2) are a basis of the space of (2 x 1) columns.

ANSWER:

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A mathematical theorem says that a set of vectors  is a basis of a -dimensional vector space if and only if the vectors are linearly independent Another theorem says that a set of vectors  is linearly independent if and only if  for .

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