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Comment on “On the Lagrangian and Hamiltonian description of the damped linear harmonic oscillator” [J. Math. Phys. 48, 032701 (2007)]
Author(s) -
Carl M. Bender,
Mariagiovanna Gianfreda,
Nima Hassanpour,
H. F. Jones
Publication year - 2016
Publication title -
journal of mathematical physics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.708
H-Index - 119
eISSN - 1089-7658
pISSN - 0022-2488
DOI - 10.1063/1.4960722
Subject(s) - harmonic oscillator , hamiltonian (control theory) , mathematics , simple harmonic motion , constant coefficients , differential equation , mathematical analysis , lagrangian , mathematical physics , constant (computer programming) , linear differential equation , equations of motion , hamiltonian system , ordinary differential equation , classical mechanics , quantum mechanics , physics , mathematical optimization , computer science , programming language
In a remarkable paper Chandrasekar et al. showed that the (second-order constant-coefficient) classical equation of motion for a damped harmonic oscillator can be derived from a Hamiltonian having one degree of freedom. This paper gives a simple derivation of their result and generalizes it to the case of an nth-order constant-coefficient differential equation

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