{"coeffs": [-9.564842180501552e-08, -1.0109239016852914e-09, -0.34405781675576025, 0.0011978880982050032], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [1.6495637722938254e-08, 8.943405134731722e-09, 773581.4136730378, 271993.28099163814], "covariance": [[2.7210606388642355e-16, 0.0, 0.00030834086046442117, -0.00010841346447278458], [-5.8969146811555555e-34, 7.998449540394574e-17, 0.0, 7.798450114850125e-12], [0.00030834086046442117, 0.0, 598428203580.3756, -210408946819.0792], [-0.0001084134638591389, 5.569478448526187e-12, -210408946819.0792, 73980344904.5962]]}