{"coeffs": [3.179199442316967e-07, 1.188250103256531, 2.2301755716499865, 0.17562453199431832], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [1.9546860872078523e-06, 2125.177639584305, 315.43972739810187, 0.024390093484418413], "covariance": [[3.820797699523943e-12, -0.0033009242855216512, -0.0004900094022033744, -4.2680537296155605e-08], [-0.0033009242851353114, 4516379.999789117, 670365.4447448836, 50.17245578068923], [-0.0004900094021440161, 670365.4447449041, 99502.22162098883, 7.447430882385438], [-4.26805372934798e-08, 50.17245578295204, 7.447430882721581, 0.0005948766601786696]]}