{"coeffs": [-2.0728567606778904e-07, 0.14061111228340878, 1.6813076658135062, 0.11966490055555207], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [8.724497233673628e-08, 81.41828146928144, 69.68684153600505, 0.006608394694434406], "covariance": [[7.611685198037879e-15, -4.492459785620095e-06, -3.845910894299004e-06, -4.374597667839245e-10], [-4.492459786622646e-06, 6628.936557411137, 5673.782710885107, 0.5153432093712507], [-3.845910895136529e-06, 5673.782710884734, 4856.255883264278, 0.4411203247472231], [-4.3745976683176546e-10, 0.5153432093293959, 0.4411203247114358, 4.36708804374288e-05]]}