SFit implements the Gauss-Newton approximation for chi-square minimization and, in KMTNet point-lens fits, reports fewer false success and failure flags than BFGS while using fewer evaluations than Nelder-Mead.
D., Horne, K., Bramich, D
1 Pith paper cite this work. Polarity classification is still indexing.
1
Pith paper citing it
fields
astro-ph.IM 1years
2025 1verdicts
CONDITIONAL 1representative citing papers
citing papers explorer
-
An Alternate Method for Minimizing $\chi^2$
SFit implements the Gauss-Newton approximation for chi-square minimization and, in KMTNet point-lens fits, reports fewer false success and failure flags than BFGS while using fewer evaluations than Nelder-Mead.