{"coeffs": [-1.2773605690818054e-06, 0.025056932380713954, 2.391219735886861, 0.25543198791080823], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [4.977222122299634e-07, 3.7304780486712406, 38.371597542172154, 0.03204420900764696], "covariance": [[2.477274005470888e-13, -1.6650079903276676e-06, -1.7134847662858717e-05, -1.5310288626643523e-08], [-1.6650079902799092e-06, 13.916466471617987, 143.14431091041985, 0.11712320122636061], [-1.713484766237037e-05, 143.1443109104303, 1472.3794979384322, 1.2050030909681033], [-1.5310288626419287e-08, 0.11712320122790164, 1.2050030909838665, 0.0010268313309257625]]}