{"coeffs": [-8.350957155221433e-07, 0.2841949141537948, 1.9675117151645878, 0.15845485234711457], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [1.016934776689528e-06, 333.86034167809487, 187.1687428929423, 0.027210621894122017], "covariance": [[1.0341563400405798e-12, -0.00025655989791917484, -0.000143863932626982, -2.395389387484244e-08], [-0.0002565598979040378, 111462.72774541423, 62488.21714484613, 8.76444156695199], [-0.0001438639326186795, 62488.21714484798, 35032.138316124336, 4.913955483561149], [-2.3953893874178556e-08, 8.764441567169834, 4.913955483682597, 0.0007404179438648724]]}