{"coeffs": [1.580873074117904e-07, 0.6628355366064104, 1.9296223931581, 0.13382234129285575], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [3.460425408324652e-07, 1803.40385764672, 365.51273536486264, 0.014127116640740468], "covariance": [[1.1974544006578836e-13, -0.00042640052914014355, -8.642956477785447e-05, -3.9358949184057894e-09], [-0.0004264005292067886, 3252265.473775071, 659167.073261257, 24.461683672408466], [-8.642956479152648e-05, 659167.0732612422, 133599.5597139041, 4.958031372574521], [-3.9358949186518426e-09, 24.461683670906897, 4.958031372268851, 0.00019957542458108623]]}