{"coeffs": [-2.698231728334957e-06, 1.951199411397914e-05, 0.3894919319934303, 0.2905261646684855], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.0754624339576239e-07, 5.380205749559982e-07, 0.009933885354671048, 0.009963432785130823], "covariance": [[4.307544314769304e-14, -1.0180589332835927e-13, -1.6166413317562234e-09, -2.012878188960926e-09], [-1.0180589332836041e-13, 2.8946613907598285e-13, 5.178733274483836e-09, 5.2373117073354105e-09], [-1.6166413317562546e-09, 5.178733274483868e-09, 9.868207823974792e-05, 8.90438005799502e-05], [-2.0128781889609373e-09, 5.237311707335383e-09, 8.904380057994914e-05, 9.926999286381975e-05]]}