{"coeffs": [-1.4786498889336754e-06, 5.8553321215005915e-05, 0.3752015332421284, 0.1450500199105367], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.1614831834566785e-07, 7.48154274040681e-07, 0.0036271542227367245, 0.0028681351612178142], "covariance": [[4.672009552366017e-14, -1.1289293207994887e-13, -3.66707543174695e-10, -5.343250892972376e-10], [-1.1289293207994895e-13, 5.597348177653385e-13, 2.5648901719205016e-09, 1.976141808438624e-09], [-3.6670754317469517e-10, 2.5648901719205016e-09, 1.3156247755516851e-05, 8.27984964034336e-06], [-5.343250892972378e-10, 1.9761418084386236e-09, 8.279849640343356e-06, 8.226199303013938e-06]]}