{"coeffs": [-3.475114346010858e-06, 0.2650324809183171, 2.0892718232139527, 0.19479774856623314], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [1.7897900475047355e-06, 64.88400272288929, 48.27226495764231, 0.01974872421552015], "covariance": [[3.2033484141470034e-12, -9.627288092814772e-05, -7.165435909559048e-05, -3.249391588217506e-08], [-9.62728809351192e-05, 4209.933809343905, 3132.096942337877, 1.24460731679264], [-7.165435910069906e-05, 3132.0969423375927, 2330.2115641408213, 0.9261248431882381], [-3.249391588331456e-08, 1.2446073167546516, 0.9261248431601221, 0.0003900121081406719]]}