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math.SP2024
Exact Eigenvalues and Eigenvectors for Some n-Dimensional Matrices
Quanling Deng
Building on previous work that provided analytical solutions to generalised matrix eigenvalue problems arising from numerical discretisations, this paper develops exact eigenvalues…
physics.flu-dyn2024
LEMDA: A Lagrangian-Eulerian Multiscale Data Assimilation Framework
Quanling Deng, Nan Chen, Samuel N. Stechmann +1
Lagrangian trajectories are widely used as observations for recovering the underlying flow field via Lagrangian data assimilation (DA). However, the strong nonlinearity in the obse…