Calculo exacto de la matriz exponencial
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Pontificia Universidad Católica del Perú
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Abstract
Presentamos varios métodos que permiten el calculo exacto de la matriz exponencial etA. Los métodos que incluyen el calculo de autovectores y la transformada de Laplace son bien conocidos, y son mencionados aquí por completitud. Se mencionan otros métodos, no tan conocidos en la literatura, que no incluyen el calculo de autovectores, y que proveen de fórmulas genéricas aplicables a cualquier matriz.
We present several methods that allow the exact computation of the exponential matrix etA. Methods that include computation of eigenvectors or Laplace transform are very well-known, and they are mentioned herefor completeness. We also present other methods, not well-known inthe literature, that do not need the computation of eigenvectors, and are easy to introduce in a classroom, thus providing us with general formulas that can be applied to any matrix.
We present several methods that allow the exact computation of the exponential matrix etA. Methods that include computation of eigenvectors or Laplace transform are very well-known, and they are mentioned herefor completeness. We also present other methods, not well-known inthe literature, that do not need the computation of eigenvectors, and are easy to introduce in a classroom, thus providing us with general formulas that can be applied to any matrix.
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Exponential Matrix, Diagonalizable Matrix, Jordan Canonical Form, Schur's Triangularization, Functions Of Matrices, Lagrange-Sylvester Interpolation, Putzer's Spectral Formula, Laplace Transform, Matriz Exponencial, Matriz Diagonalizable, Forma Canónica de Jordan, Triangularización de Schur, Funciones Matriciales, Interpolación de Lagrange-Sylvester, Fórmula Espectral de Putzer, Transformada de Laplace
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