{"coeffs": [4.497127797909973e-07, 1.452214841327416, 1.948909151419397, 0.1362979214925567], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [9.555442585364997e-07, 4530.8097248677095, 427.06003640575005, 0.017197211785409578], "covariance": [[9.13064830022069e-13, -0.0029936891362679456, -0.00028219905737077806, -1.334919911797656e-08], [-0.0029936891350601388, 20528236.762955807, 1934927.7544273306, 74.84434886131464], [-0.00028219905724846564, 1934927.7544274474, 182380.27469488056, 7.054819182820943], [-1.3349199114960921e-08, 74.84434887326596, 7.054819183947145, 0.0002957440931922301]]}