{"coeffs": [2.6063598990329557e-07, 1.184271753790008, 1.5611527253085111, 0.0939840585897256], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [3.122535961696469e-07, 3566.00071357706, 284.1042104249468, 0.00836492169522184], "covariance": [[9.750230832087693e-14, -0.0005854766184141835, -4.664890605036094e-05, -1.703999106902803e-09], [-0.000585476617976311, 12716361.089232102, 1013115.8131780622, 28.488819615500777], [-4.664890601725615e-05, 1013115.8131781302, 80715.20238118245, 2.269773671546415], [-1.7039991062578828e-09, 28.488819622274004, 2.2697736720848156, 6.9971914967193e-05]]}