{"coeffs": [-9.444692790279305e-06, 0.00059930097524827, 0.9979186392516584, 0.2707618123921729], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.4395962014084737e-06, 0.0006949407178702959, 0.4382153095546913, 0.049488506231311596], "covariance": [[1.1830822028743603e-11, -2.1703888303876106e-09, -1.3855114663717306e-06, -1.6455326325164034e-07], [-2.170388830387361e-09, 4.829426013540822e-07, 0.00030436579515021994, 3.372690362069146e-05], [-1.385511466371586e-06, 0.00030436579515022254, 0.1920326575281139, 0.02139326329904244], [-1.645532632516315e-07, 3.3726903620693234e-05, 0.02139326329904338, 0.0024491122490065665]]}