{"coeffs": [-1.000789583182869e-06, 0.0002285745885994023, 0.7417025407761921, 0.12319332956816646], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.8120733715083216e-06, 0.00046754745175327006, 0.39101772270700913, 0.05690775328207223], "covariance": [[7.907756646746179e-12, -8.457774060362179e-10, -7.280703811836458e-07, -1.242444214391516e-07], [-8.457774060362251e-10, 2.1860061964097641e-07, 0.00018251868686550512, 2.5313642499003836e-05], [-7.280703811836514e-07, 0.00018251868686550507, 0.1528948594709755, 0.021491561112532212], [-1.2424442143915194e-07, 2.5313642499003734e-05, 0.021491561112532136, 0.0032384923836132028]]}