{"coeffs": [-5.802059042156059e-06, -2.952453760144775e-07, -0.29062451203727885, 0.09969949111537038], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [1.6683147621289616e-06, 1.5433243776091734e-07, 0.07037389421227888, 0.034388044680066794], "covariance": [[2.7832741455374136e-12, -1.058198230815214e-13, 1.1485340171150559e-07, -5.120272517656071e-08], [-1.058198230815214e-13, 2.3818501345227423e-14, -3.452966295522176e-09, 3.058443194029156e-09], [1.1485340171150561e-07, -3.4529662955221773e-09, 0.00495248498660102, -0.00209754643263621], [-5.120272517656072e-08, 3.0584431940291566e-09, -0.0020975464326362095, 0.0011825376169182702]]}