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» On the Complexity of Numerical Analysis
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272
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PE
2008
Springer
173views Optimization» more  PE 2008»
15 years 7 months ago
M/G/1 queue with deterministic reneging times
We consider single-server and multi-server queues with deterministic reneging times motivated by the timeout mechanisms used in application servers.. A Volterra integral equation ...
Wei Xiong, David L. Jagerman, Tayfur Altiok
PROCEDIA
2010
87views more  PROCEDIA 2010»
15 years 5 months ago
Forecast sensitivity to the observation error covariance in variational data assimilation
The development of the adjoint of the forecast model and of the adjoint of the data assimilation system (adjoint-DAS) make feasible the evaluation of the derivative-based forecast...
Dacian N. Daescu
SIAMSC
2010
160views more  SIAMSC 2010»
15 years 5 months ago
Shift-Invert Arnoldi Approximation to the Toeplitz Matrix Exponential
The shift-invert Arnoldi method is employed to generate an orthonormal basis from the Krylov subspace corresponding to a real Toeplitz matrix and an initial vector. The vectors and...
Spike T. Lee, Hong-Kui Pang, Hai-Wei Sun
188
Voted
SIAMNUM
2010
127views more  SIAMNUM 2010»
15 years 2 months ago
The Discrete Duality Finite Volume Method for Convection-diffusion Problems
In this paper we extend the discrete duality finite volume (DDFV) formulation to the steady convection-diffusion equation. The discrete gradients defined in DDFV are used to define...
Yves Coudière, Gianmarco Manzini
215
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TWC
2010
15 years 2 months ago
Performance of an Energy Detector over Channels with Both Multipath Fading and Shadowing
This paper analyzes the performance of an energy detector over wireless channels with composite multipath fading and shadowing effects. These effects are modeled by using the and ...
Saman Atapattu, Chintha Tellambura, Hai Jiang