{"coeffs": [-3.5125959140047035e-05, 0.0013437838054364407, 1.4555730959164286, 0.4154843126092129], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.2709793460908175e-05, 0.0050665724731177855, 2.105592542522575, 0.2170537364056884], "covariance": [[5.157347190371077e-10, -1.1041318272412956e-07, -4.615667611330892e-05, -4.870014970458387e-06], [-1.1041318272409499e-07, 2.567015662535487e-05, 0.010665440137253363, 0.0010894130989553955], [-4.615667611329575e-05, 0.010665440137253637, 4.433519955126681, 0.4540189613204532], [-4.870014970457648e-06, 0.001089413098955566, 0.4540189613205123, 0.04711232448767006]]}