{"coeffs": [-2.796890200094231e-06, 7.304861037612193e-05, 0.47849028214448763, 0.17390524293050902], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [7.832139544600238e-07, 6.168691042623569e-06, 0.02723961881998495, 0.013551573609719139], "covariance": [[6.134240984609083e-13, -3.7429173342825655e-12, -1.531920757567856e-08, -9.554712700626308e-09], [-3.742917334282567e-12, 3.805274917934425e-11, 1.6691968096543054e-07, 7.937071009323314e-08], [-1.5319207575678587e-08, 1.669196809654306e-07, 0.0007419968334580784, 0.00034285674888918623], [-9.554712700626313e-09, 7.937071009323312e-08, 0.0003428567488891861, 0.00018364514729963621]]}