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math.NA2017
An efficient SPDE approach for El Niño
Hermann Mena, Lena Pfurtscheller
We consider the numerical approximation of stochastic partial differential equations (SPDEs) based models for a quasi-periodic climate pattern in the tropical Pacific Ocean known a…
math.NA2017
Numerical low-rank approximation of matrix differential equations
Hermann Mena, Alexander Ostermann, Lena-Maria Pfurtscheller +1
The efficient numerical integration of large-scale matrix differential equations is a topical problem in numerical analysis and of great importance in many applications. Standard n…
math.NA2017
Analysis of Krylov Subspace Approximation to Large Scale Differential Riccati Equations
Antti Koskela, Hermann Mena
We consider a Krylov subspace approximation method for the symmetric differential Riccati equation , . The method we consider is based on p…