{"coeffs": [-1.6678413494695844e-06, 0.0002497468181975437, 1.222818130475132, 0.26463788596967047], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [5.006417198782793e-07, 0.0003377746347641086, 0.4560398401866997, 0.03128478807151896], "covariance": [[2.5064213168268145e-13, -1.5280547799378317e-10, -2.086495564184375e-07, -1.5100348535886658e-08], [-1.5280547799374041e-10, 1.1409170389002697e-07, 0.00015397591845806344, 1.0359308581504203e-05], [-2.0864955641838185e-07, 0.0001539759184580662, 0.2079723358375106, 0.014060193127493691], [-1.510034853588448e-08, 1.0359308581505533e-05, 0.014060193127495237, 0.0009787379646798548]]}