{"coeffs": [-7.46847452978604e-08, 0.19272410050422467, 1.21449258685279, 0.06048326985456687], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [2.904383107785912e-08, 310.39554352342486, 97.72531197730673, 0.0034694172980047327], "covariance": [[8.435441236792154e-16, -3.4563774073186436e-06, -1.0883253575284295e-06, -4.9191803494091104e-11], [-3.456377409758639e-06, 96345.39343920235, 30333.50117673755, 1.0324009666574632], [-1.0883253583465486e-06, 30333.501176735503, 9550.23660106193, 0.32505197549744486], [-4.9191803513117014e-11, 1.0324009664497016, 0.3250519754318944, 1.2036856387694459e-05]]}