{"coeffs": [-2.17618698277043e-06, 0.00012774257895753038, 1.0921524761270245, 0.28931391513891747], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [5.102909376436664e-07, 8.621844613984262e-05, 0.2755687794322184, 0.033158247735329785], "covariance": [[2.603968410412523e-13, -4.0423423433524835e-11, -1.306414304831545e-07, -1.6442903132123557e-08], [-4.0423423433526754e-11, 7.433620454768942e-09, 2.3747095698228216e-05, 2.808887701831864e-06], [-1.3064143048316044e-07, 2.374709569822815e-05, 0.07593815219776265, 0.009025902540690418], [-1.6442903132123997e-08, 2.8088877018318076e-06, 0.009025902540690262, 0.001099469392877503]]}