{"coeffs": [-1.939312375274207e-06, 0.00011443887590274586, 0.4720919326167463, 0.1372772212363957], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [4.873725519701232e-07, 2.703773613971512e-06, 0.006499100339958307, 0.003970478646340226], "covariance": [[2.375320044138705e-13, -9.178678657341566e-13, -1.8098332269229471e-09, -1.648378951312611e-09], [-9.178678657341546e-13, 7.31039175560857e-12, 1.7197005187590785e-08, 9.974280721977366e-09], [-1.8098332269229417e-09, 1.7197005187590775e-08, 4.223830522884618e-05, 2.255792250294377e-05], [-1.6483789513126092e-09, 9.97428072197737e-09, 2.2557922502943793e-05, 1.576470068104371e-05]]}