{"coeffs": [-4.806735986460504e-08, 0.20309976370078087, 1.2887224244763846, 0.06723385741546992], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [3.4934177645356256e-08, 440.58219237006443, 146.37033421475405, 0.004603935760391261], "covariance": [[1.220396767757309e-15, -6.319893440486786e-06, -2.0997965705715463e-06, -8.395955189531742e-11], [-6.319893443409629e-06, 194112.66823361246, 64488.16247755275, 1.9410469672137314], [-2.0997965715672865e-06, 64488.1624775499, 21424.274738138804, 0.644872983343801], [-8.395955191910574e-11, 1.9410469669299284, 0.6448729832493204, 2.119622448580946e-05]]}