{"coeffs": [-3.06701535673155e-08, 0.01695822837578566, 1.9129938240989337, 0.16270755986107407], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [7.005505389207803e-08, 12.280998420664872, 118.60307943852924, 0.023797107891887638], "covariance": [[4.907710575821958e-15, -6.398706833746561e-07, -6.181371351119476e-06, -1.4277547861928615e-09], [-6.39870683374934e-07, 150.8229222083731, 1456.5640912628467, 0.2816480695834234], [-6.181371351122562e-06, 1456.5640912628467, 14066.690452302075, 2.72033069555791], [-1.4277547861915012e-09, 0.2816480695834234, 2.720330695557911, 0.0005663023440181409]]}