{"coeffs": [-1.456894922982504e-05, 0.0001360597750338539, 0.5223902245733891, 0.2827103464811287], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.409855073820249e-06, 1.4856805393539995e-05, 0.04527122493712715, 0.03025052121292435], "covariance": [[1.1627111624457696e-11, -4.6396422979811894e-11, -1.3375784263330224e-07, -1.0046717583960056e-07], [-4.639642297981191e-11, 2.2072466650151907e-10, 6.682000004375207e-07, 4.399600892047937e-07], [-1.3375784263330232e-07, 6.682000004375207e-07, 0.002049483807307963, 0.0013054563592480963], [-1.0046717583960064e-07, 4.399600892047936e-07, 0.001305456359248096, 0.0009150940336535861]]}