{"coeffs": [-7.638469424010797e-07, 4.628562885628311e-05, 0.4080477824294079, 0.13097421970683512], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.1497421835042e-07, 5.51236502759511e-07, 0.003257704944484267, 0.002165766615881416], "covariance": [[1.3219070885290053e-14, -4.095792960960631e-14, -1.7807847289013202e-10, -2.0360688862559204e-10], [-4.095792960960635e-14, 3.0386168197453634e-13, 1.7323391845144094e-09, 1.0920124980738775e-09], [-1.7807847289013233e-10, 1.7323391845144096e-09, 1.061264150531724e-05, 5.885007214302235e-06], [-2.0360688862559212e-10, 1.0920124980738769e-09, 5.88500721430223e-06, 4.690545034466442e-06]]}