{"coeffs": [-6.985401068536406e-05, 1.8112960525386316e-05, -1.1083465782230786, 0.7276780317092993], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [0.0005278004352333844, 2.2627267039670093e-05, 7.224621787628913, 1.9239973628113571], "covariance": [[2.7857329943255e-07, -1.1462386716512162e-08, 0.0038127004831220272, -0.0010057954854980453], [-1.1462386716513444e-08, 5.119932136845405e-10, -0.00015732937714345814, 4.30244395454547e-05], [0.003812700483122043, -0.00015732937714344099, 52.19515997428239, -13.789136893608978], [-0.0010057954854980995, 4.3024439545452275e-05, -13.789136893609658, 3.7017658521050567]]}