{"coeffs": [-2.62976191593662e-06, 6.752484702161193e-05, 0.5224846514957628, 0.1918668884580499], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [7.467286612156196e-07, 7.715715526578678e-06, 0.039584963522017944, 0.01693694931188852], "covariance": [[5.576036934808716e-13, -4.665373384038125e-12, -2.306942478966935e-08, -1.1631557049977874e-08], [-4.6653733840381315e-12, 5.95322660870873e-11, 3.045361986967373e-07, 1.2520397318557885e-07], [-2.3069424789669387e-08, 3.0453619869673735e-07, 0.001566969337039491, 0.0006366764994543646], [-1.1631557049977891e-08, 1.252039731855788e-07, 0.0006366764994543642, 0.0002868602519934811]]}