{"coeffs": [-3.547245596566019e-06, 0.00013322331126530416, 0.49175851674832943, 0.15590408003318487], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [9.738498054420117e-07, 6.083375956872532e-06, 0.013540837836267344, 0.00765819953826328], "covariance": [[9.483834435594441e-13, -4.4620884441331354e-12, -8.776678895612262e-09, -6.628042208658854e-09], [-4.462088444133127e-12, 3.7007463032654796e-11, 8.13629162835295e-08, 4.393026634067576e-08], [-8.776678895612245e-09, 8.13629162835295e-08, 0.00018335428930808928, 9.399561186645472e-05], [-6.628042208658848e-09, 4.393026634067578e-08, 9.39956118664548e-05, 5.864802016785592e-05]]}