{"coeffs": [-2.914408677844447e-06, 8.929060117265932e-05, 0.4284553205229825, 0.1551714974613507], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [5.146970525531733e-07, 1.792069621135123e-06, 0.005695687447176157, 0.004498019647838568], "covariance": [[2.6491305590692404e-13, -6.939959556323821e-13, -1.6285224987592064e-09, -2.073937635680582e-09], [-6.939959556323821e-13, 3.211513526995383e-12, 9.768183581186936e-09, 7.543095484654234e-09], [-1.6285224987592051e-09, 9.768183581186934e-09, 3.244085549592005e-05, 2.1247124516406726e-05], [-2.0739376356805818e-09, 7.543095484654232e-09, 2.124712451640673e-05, 2.02321807523418e-05]]}