For geotrophic flows in the atmosphere of the Earth, the following first order system of ODE is formulated. X' = AX where 1 0 0 X2 and x= A = 1 X4 The solution vector X relates to the velocities and accelerations of two perpendicular components of airflows tangential to the surface of the Earth. The symbols u and a represent the kinematic viscosity of air and the Coriolis constant; and both of them can be assumed as constants. (i) Find the eigenvalues of the matrix;

Linear Algebra: A Modern Introduction
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Chapter4: Eigenvalues And Eigenvectors
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For geotrophic flows in the atmosphere of the Earth, the following first order system of ODE is
formulated.
X' = AX
where
1
X2
and X=
A =
1
X3
X4
The solution vector X relates to the velocities and accelerations of two perpendicular components of
airflows tangential to the surface of the Earth. The symbols u and a represent the kinematic viscosity
of air and the Coriolis constant; and both of them can be assumed as constants.
(i) Find the eigenvalues of the matrix;
(ii) Find the general solution of X.
Useful formulas:
X 3D АХ; det(А - 11) %3D 0; Х-с,х, +с, X, +......., X, and
Transcribed Image Text:For geotrophic flows in the atmosphere of the Earth, the following first order system of ODE is formulated. X' = AX where 1 X2 and X= A = 1 X3 X4 The solution vector X relates to the velocities and accelerations of two perpendicular components of airflows tangential to the surface of the Earth. The symbols u and a represent the kinematic viscosity of air and the Coriolis constant; and both of them can be assumed as constants. (i) Find the eigenvalues of the matrix; (ii) Find the general solution of X. Useful formulas: X 3D АХ; det(А - 11) %3D 0; Х-с,х, +с, X, +......., X, and
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