Displaying similar documents to “Computing minimum norm solution of a specific constrained convex nonlinear problem”

Efficient application of e-invariants in finite element method for an elastodynamic equation

Martin Balazovjech, Ladislav Halada (2013)

Kybernetika

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We introduce a new efficient way of computation of partial differential equations using a hybrid method composed from FEM in space and FDM in time domain. The overall computational scheme is explicit in time. The key idea of the suggested way is based on a transformation of standard basis functions into new basis functions. The results of this matrix transformation are e-invariants (effective invariants) with such suitable properties which save the number of arithmetical operations needed...

Quadratic Isochronous centers commute

M. Sabatini (1999)

Applicationes Mathematicae

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We prove that every quadratic plane differential system having an isochronous center commutes with a polynomial differential system.