{"coeffs": [-8.070080736477972e-07, 0.35172681324844884, 1.9456176505868845, 0.1585347662888907], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [3.9709746254321555e-07, 98.04302822486824, 44.43058791734809, 0.007445554122345264], "covariance": [[1.5768639475826049e-13, -2.9426505657823724e-05, -1.3338630786893513e-05, -2.559846145656195e-09], [-2.9426505661097154e-05, 9612.435383502308, 4356.109088897471, 0.7042628910196801], [-1.3338630788439008e-05, 4356.109088897204, 1974.077142681198, 0.3191859420953281], [-2.559846145804427e-09, 0.7042628909877782, 0.3191859420808594, 5.543627618877256e-05]]}