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vom Scheidt, J.; Starkloff, H.-J.; Wunderlich, R. : Low-dimensional approximations and error estimates for systems of linear random ODEs

vom Scheidt, J.; Starkloff, H.-J.; Wunderlich, R. : Low-dimensional approximations and error estimates for systems of linear random ODEs


Author(s) :
vom Scheidt, J.; Starkloff, H.-J.; Wunderlich, R.
Title :
Low-dimensional approximations and error estimates for systems of linear random ODEs
Electronic source :
[gzipped dvi-file] 38 kB
[gzipped ps-file] 121 kB
Preprint series
Technische Universität Chemnitz, Fakultät für Mathematik (Germany). Preprint 2000-15, 2000
Mathematics Subject Classification :
34F05 [ ODE with randomness ]
60H10 [ Stochastic ordinary differential equations ]
60G10 [ Stationary processes ]
93A15 [ Large scale systems ]
Abstract :
The paper considers large-scale systems of linear ODEs with stationary random excitation terms. Approximations of the correlation and spectral density functions of the stationary solutions are found by means of model reduction techniques. To assess the approximation accuracy suitable error criterions are introduced and error estimates are given.
Keywords :
linear random differential equation, stationary stochastic processes, model reduction, low-dimensional approximation
Language :
english
Publication time :
12/2000

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