{"coeffs": [-2.5771134697650646e-06, 3.7175491505754075e-05, 0.37060409968068747, 0.11226195542210284], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [5.148594672705637e-06, 1.0954643643006555e-05, 0.07132350380234904, 0.07032163652751466], "covariance": [[2.6508027103812866e-11, -3.3429039840525784e-11, -4.020895888425076e-08, -2.9096203165968156e-07], [-3.342903984052581e-11, 1.2000421734526392e-10, 6.359916181902928e-07, 6.72118134186866e-07], [-4.0208958884250985e-08, 6.359916181902932e-07, 0.005087042194643699, 0.002762632539427529], [-2.9096203165968166e-07, 6.721181341868658e-07, 0.0027626325394275258, 0.0049451325639078845]]}