{"coeffs": [-0.00012549375215581423, 3.0226198446673812e-09, -0.4354247008349465, 0.11934099524882393], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [0.18453503737312157, 8.10034287782769e-09, 176.14725873252794, 0.07981074549178252], "covariance": [[0.03405318001829938, -1.3403357342809076e-09, 32.5053313634716, -0.014327666685265465], [-1.3403357343275992e-09, 6.561555473837378e-17, -1.279832027782619e-06, 6.22304272071746e-10], [32.505331363473424, -1.279832027738601e-06, 31027.85675898414, -13.678919284955333], [-0.01432766668551622, 6.223042720608181e-10, -13.678919285193922, 0.0063697550959540845]]}