Explicit geometric construction of sparse inverse mass matrices for arbitrary tetrahedral grids.

Silvano Pitassi Francesco Trevisan Ruben Specogna

Published in: CoRR (2020)

Keyphrases

sparse matrix
coefficient matrix
correlation matrix
geometric constraints
sparse representation
binary matrices
high order
sparse data
compressive sensing
construction process
geometric structure
geometric information
sparse coding
finite element
random projections
positive definite