{"coeffs": [-9.28675942868425e-07, 2.949388069599164e-05, 0.5065123093046278, 0.15531792706522804], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.7308308706299763e-06, 1.970960070147127e-05, 0.19778351819801712, 0.08379345333474267], "covariance": [[2.9957755027257215e-12, -2.479918817291862e-11, -2.352136384557016e-07, -1.2532559949824108e-07], [-2.4799188172918657e-11, 3.8846835981143677e-10, 3.879494885270156e-06, 1.5589126663168503e-06], [-2.3521363845570165e-07, 3.879494885270156e-06, 0.03911832007078537, 0.015486856282524787], [-1.253255994982412e-07, 1.5589126663168494e-06, 0.015486856282524776, 0.007021342821761697]]}