{"coeffs": [7.733826065749341e-07, 1.2501191410197134, 1.6104295480798005, 0.10091684792112593], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [6.305215751809428e-07, 4552.577556960266, 369.2348882482815, 0.013343245434467046], "covariance": [[3.975574567686573e-13, -0.0015951386488523935, -0.00012938533785187593, -5.750571844151547e-09], [-0.0015951386481109933, 20725962.4121383, 1680970.4561449548, 58.04205249072097], [-0.000129385337788905, 1680970.4561450416, 136334.40269972093, 4.707629313314535], [-5.750571842814025e-09, 58.04205249949052, 4.707629314028512, 0.00017804219872442564]]}