{"coeffs": [-7.461476433609508e-07, -3.044822586600495e-08, -0.06734597300422522, 0.06196985806724257], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [7.920982267873664e-08, 9.102244888785548e-08, 0.04467311152216704, 0.03989518755387304], "covariance": [[6.274196008796902e-15, -1.230455800293253e-15, 1.3094850493797552e-09, -1.5001502529556093e-09], [-1.2304558002932532e-15, 8.285086201542262e-15, 1.828795493910027e-09, 1.8892068330857084e-09], [1.3094850493797554e-09, 1.8287954939100268e-09, 0.0019956868930719736, 0.00010073216147917982], [-1.5001502529556093e-09, 1.8892068330857084e-09, 0.00010073216147917982, 0.0015916259899587063]]}