{"coeffs": [-5.470805854700528e-07, 4.273587788958319e-05, 0.5141942871342515, 0.15626580488133382], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [4.42280611895876e-08, 5.393628593647786e-07, 0.0038091141304037865, 0.0015615668837959205], "covariance": [[1.9561213965899047e-15, -1.7401727740799862e-14, -1.1699145327428092e-10, -5.975788678042913e-11], [-1.7401727740799844e-14, 2.909122940621499e-13, 2.0457787454379136e-09, 7.959108294161248e-10], [-1.1699145327428074e-10, 2.0457787454379136e-09, 1.4509350458441795e-05, 5.577695084102498e-06], [-5.97578867804291e-11, 7.959108294161254e-10, 5.5776950841025015e-06, 2.438491132568102e-06]]}