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| | | Eigenvalues | | |
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| | | Eigenvalues | | |
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| | | In this section... | | |
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| | | "Eigenvalue Decomposition" on page 1-41 "Multiple Eigenvalues" on page 1-42 "Schur Decomposition" on page 1-44 | | |
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| | | Eigenvalue Decomposition An eigenvalue and eigenvector of a square matrix A are, respectively, a scalar A and a nonzero vector v that satisfy Av = Xv With the eigenvalues on the diagonal of a diagonal matrix A and the corresponding eigenvectors forming the columns of a matrix V,you have AV = VA If V is nonsingular, this becomes the eigenvalue decomposition
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| | | A = VAV' A good example is provided by the coefficient matrix of the ordinary differential equation in the previous section: A = | | |
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| | | | | | | | | | | 0 | CO | -1 | | | | 6 | 2 | -16 | | | | -5 | 20 | -10 | | | | | | | | | | |
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| | | The statement lambda = eig(A) produces a column vector containing the eigenvalues. For this matrix, the eigenvalues are complex: | | |
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| | | 1-41 | | |
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