{"coeffs": [-2.2092003455258303e-08, 0.21180102071562834, 1.3333177780271288, 0.0712956517259086], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [2.4380634111143555e-08, 332.8493511733444, 112.37699732219438, 0.0033278746754034382], "covariance": [[5.944153196614567e-16, -3.46932696478585e-06, -1.1714234473326364e-06, -4.4004641676112165e-11], [-3.469326961910839e-06, 110788.69057651634, 37404.61050308865, 1.059133525900008], [-1.1714234463908278e-06, 37404.61050309111, 12628.589527152484, 0.35759547591652124], [-4.400464165676848e-11, 1.0591335261455617, 0.35759547599919805, 1.107474985519154e-05]]}