Aliases: nl.opts
Keywords:
### ** Examples nl.opts(list(xtol_rel = 1e-8, maxeval = 2000))
$stopval [1] -Inf $xtol_rel [1] 1e-08 $maxeval [1] 2000 $ftol_rel [1] 0 $ftol_abs [1] 0 $check_derivatives [1] FALSE $algorithm NULL