{"coeffs": [-5.30184123553688e-06, 0.0002973444965458586, 0.7701039719607994, 0.2374742237578898], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.0072630954454798e-06, 4.989604135768136e-05, 0.0642634489134152, 0.013287430638481949], "covariance": [[1.0145789434464099e-12, -4.371021566202921e-11, -5.698114266053458e-08, -1.269562379082897e-08], [-4.371021566202895e-11, 2.4896149431674492e-09, 3.204119028583485e-06, 6.451672914102043e-07], [-5.698114266053421e-08, 3.2041190285834883e-06, 0.004129790866247126, 0.0008367967195854372], [-1.269562379082894e-08, 6.451672914102073e-07, 0.0008367967195854402, 0.00017655581297246884]]}