{"coeffs": [2.2173523766323758e-07, 0.28405650529655985, 1.9043884101385122, 0.1593719977771456], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [1.1947521288010604e-06, 160.11992184590952, 90.34298939926674, 0.02050396695112398], "covariance": [[1.4274326492746656e-12, -0.00014500364816780748, -8.184023763251955e-05, -2.1250591181743242e-08], [-0.00014500364814219393, 25638.38937194017, 14465.710733378392, 3.1679664119430626], [-8.184023761787868e-05, 14465.710733380189, 8161.855733596022, 1.7876655771059748], [-2.1250591179831972e-08, 3.167966412166134, 1.787665577231753, 0.0004204126607327844]]}