{"coeffs": [3.6680852122726494e-07, 0.30203261676240145, 1.6314615462124276, 0.12250479891132866], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [5.792310355176856e-07, 154.71722970383757, 63.23040123185537, 0.011110892478012026], "covariance": [[3.355085925068903e-13, -5.763516383046619e-05, -2.3562437195822214e-05, -4.947594987474469e-09], [-5.763516383710412e-05, 23937.42116723004, 9782.831658073888, 1.647248074565206], [-2.356243719844625e-05, 9782.831658073303, 3998.083639941417, 0.6732871040526061], [-4.9475949877574745e-09, 1.6472480744946636, 0.6732871040239093, 0.0001234519316579442]]}