{"coeffs": [4.486845111952828e-07, 1.1800401065703245, 1.6083783195070698, 0.10048236415319854], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [5.387855480559171e-07, 4083.24058658216, 349.281790181028, 0.012338325649966658], "covariance": [[2.9028986679391495e-13, -0.0012184356074066564, -0.0001042351213752833, -4.5311086641904985e-09], [-0.0012184356075715568, 16672853.687911823, 1426201.5742084256, 48.13599361693945], [-0.00010423512139088315, 1426201.5742084011, 121997.76895206366, 4.117700549181613], [-4.531108664540466e-09, 48.13599361448369, 4.117700548971174, 0.00015223427984462513]]}