2 citations · 4 across the 2 of their papers we have counts for
3 papers
Exponential meshes and -matrices
Niklas Angleitner, Markus Faustmann, Jens Markus Melenk
In our previous works, we proved that the inverse of the stiffness matrix of an -version finite element method (FEM) applied to scalar second order elliptic boundary value probl…
-inverses for RBF interpolation
Niklas Angleitner, Markus Faustmann, Jens Markus Melenk
We consider the interpolation problem for a class of radial basis functions (RBFs) that includes the classical polyharmonic splines (PHS). We show that the inverse of the system ma…
Approximating inverse FEM matrices on non-uniform meshes with -matrices
Niklas Angleitner, Markus Faustmann, Jens Markus Melenk
We consider the approximation of the inverse of the finite element stiffness matrix in the data sparse -matrix format. For a large class of shape regular but possibly…