{"coeffs": [-1.028879052323778e-06, 0.31126361553823584, 1.9434066597492863, 0.15651386205151263], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [5.365365905714329e-07, 160.90987832661688, 81.71643185496366, 0.012479733381939726], "covariance": [[2.878715130220175e-13, -6.48138086314484e-05, -3.2922628870108156e-05, -5.7700618363764085e-09], [-6.481380863703102e-05, 25891.98894308665, 13148.980339979527, 1.936627909444341], [-3.2922628872674504e-05, 13148.980339978987, 6677.5752351069195, 0.9835885818300096], [-5.770061836609521e-09, 1.9366279093804375, 0.9835885817977108, 0.00015574374528430073]]}