Jochen Rust, Nils Heidmann, Steffen Paul. Two-variable numeric function approximation using least-squares-based regression. In Nordic Circuits and Systems Conference, NORCAS 2015: NORCHIP & International Symposium on System-on-Chip (SoC), Oslo, Norway, October 26-28, 2015. pages 1-4, IEEE, 2015. [doi]
Abstract is missing.