{"coeffs": [-1.227115855727097e-07, 0.13822150334388872, 1.731541163325417, 0.12543061248868562], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [7.143329432334245e-08, 62.322061479541254, 57.03094370250176, 0.005504514352852121], "covariance": [[5.1027155378852685e-15, -2.9115218438938266e-06, -2.6648506473931964e-06, -3.0621480139748303e-10], [-2.911521844191519e-06, 3884.03934705972, 3554.2858733467997, 0.3288921036043236], [-2.664850647674402e-06, 3554.285873346686, 3252.528539597925, 0.3009910957246101], [-3.0621480141284186e-10, 0.32889210359157806, 0.30099109571292376, 3.0299678260755007e-05]]}