{"coeffs": [-5.375824992144458e-07, 5.826962363836018e-05, 0.48655984165065536, 0.13217626126536924], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [7.402799314330297e-08, 7.773909407794015e-07, 0.003600277824825593, 0.0016313270219781484], "covariance": [[5.480143768824911e-15, -3.739803719305434e-14, -1.570221195521347e-10, -9.726239656120558e-11], [-3.739803719305433e-14, 6.04336674805883e-13, 2.774779656198898e-09, 1.1796479930342057e-09], [-1.570221195521347e-10, 2.774779656198898e-09, 1.2962000415930905e-05, 5.369316704843878e-06], [-9.72623965612055e-11, 1.1796479930342055e-09, 5.369316704843878e-06, 2.661227852636094e-06]]}