{"coeffs": [-9.363781790176546e-07, 0.23240166896799985, 1.9450112147389846, 0.15744650011936845], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [2.4481090631746846e-07, 67.9862620199558, 46.28224819991165, 0.00733060350810463], "covariance": [[5.993237985198031e-14, -1.2535313551917496e-05, -8.535545633089897e-06, -1.5499173239914083e-09], [-1.2535313550878798e-05, 4622.131823446085, 3146.556858218293, 0.4807295059475411], [-8.535545632362728e-06, 3146.5568582184274, 2142.046498438225, 0.3272922889492033], [-1.549917323929968e-09, 0.48072950596353814, 0.32729228896010165, 5.3737747793035905e-05]]}