{"coeffs": [-0.009177434743367845, 6.548782644618487e-07, -2.9880863711262613, 0.3250690797155006], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [6.345578274973733, 1.5822648537442132e-07, 225.42191474493964, 0.0828701898448093], "covariance": [[40.26636364381862, -6.17610758697715e-07, 1430.4314529206106, -0.47953177824699555], [-6.176107586821427e-07, 2.503562067394196e-14, -2.1966905663667013e-05, 1.0935077331541374e-08], [1430.431452920568, -2.1966905664246414e-05, 50815.03964727484, -17.04383109486612], [-0.47953177824147264, 1.0935077331627265e-08, -17.04383109467043, 0.006867468364914735]]}