{"coeffs": [-1.0586950831567405e-07, 0.2261699497603392, 1.2816861969683462, 0.06702550290011804], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [4.8261558261622574e-08, 525.1899791330543, 156.22550084686515, 0.005294568884717779], "covariance": [[2.3291780058399902e-15, -1.0380951866026642e-05, -3.088281970354449e-06, -1.3310165534883837e-10], [-1.0380951863653211e-05, 275824.514181778, 82048.06713847362, 2.660787237452798], [-3.0882819696651723e-06, 82048.06713847542, 24406.407114853864, 0.7915138202503923], [-1.3310165533204523e-10, 2.6607872376337607, 0.7915138203039391, 2.8032459675021658e-05]]}