{"coeffs": [-6.920141272547337e-08, 7.63108180843159e-05, 0.8306868509491148, 0.11284210838444712], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [4.3914273072637624e-08, 7.932340907491606e-05, 0.147233873682462, 0.008360957685070657], "covariance": [[1.928463379498186e-15, -2.013066140206162e-12, -3.848924754449793e-09, -2.603834298275184e-10], [-2.0130661402063615e-12, 6.292203227266475e-09, 1.1669519188842417e-05, 6.320715872917363e-07], [-3.848924754450182e-09, 1.1669519188842364e-05, 0.021677813559543176, 0.001187007367434212], [-2.603834298275304e-10, 6.320715872917137e-07, 0.0011870073674341757, 6.990561341154208e-05]]}