{"coeffs": [-3.7935628859857807e-06, 0.2010965877453251, 2.217871943859572, 0.19172451081975156], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-07, "errors": [3.428379837570708e-06, 980.0460560367306, 943.2461101016291, 0.14065795270850193], "covariance": [[1.1753788310661356e-11, -0.002707645609781244, -0.0026064670421665935, -4.3568218528158084e-07], [-0.002707645609375684, 960490.2719531505, 924424.5847356572, 133.56242743293305], [-0.0026064670417742537, 924424.5847357288, 889713.2242218547, 128.55753339920943], [-4.356821852479775e-07, 133.5624274413994, 128.5575334073306, 0.019784659660147162]]}