{"coeffs": [-3.5944584426798107e-07, -1.4182775259110247e-08, -0.19270841087671747, 0.03557487449783377], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [5.78647744169167e-08, 4.232715414953925e-08, 0.04274320322886377, 0.037117322485457745], "covariance": [[3.3483321183206577e-15, -1.8352760048832116e-16, 9.785405855541143e-10, -8.457751453970586e-10], [-1.8352760048832118e-16, 1.7915879783988577e-15, 4.971791305548961e-10, 4.731105789202658e-10], [9.78540585554114e-10, 4.971791305548962e-10, 0.00182698142226395, -0.00011519738996864275], [-8.457751453970586e-10, 4.731105789202658e-10, -0.00011519738996864275, 0.001377695628489467]]}