AAA-least squares rational approximation and solution of Laplace problems.

Stefano Costa Lloyd N. Trefethen

Published in: CoRR (2021)

Keyphrases

least squares
linear least squares
approximation schemes
approximate solutions
exact solution
linear systems
efficient solutions
min sum
optimal solution
search space
markov random field
np complete
expectation propagation
tikhonov regularization
multicriteria optimization