{"coeffs": [-1.965667888503841e-06, 4.186065637405916e-05, 0.43210243401379445, 0.14931249389338747], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.3900303624156641e-06, 8.010581903657437e-06, 0.05501515412330117, 0.03284200507809725], "covariance": [[1.9321844084374225e-12, -7.91153410529303e-12, -4.561309543511756e-08, -3.9313742666081114e-08], [-7.911534105293013e-12, 6.4169422435204e-11, 4.3257279604067023e-07, 2.453725192634724e-07], [-4.561309543511744e-08, 4.325727960406702e-07, 0.003026667183210582, 0.0015963515852256314], [-3.931374266608109e-08, 2.4537251926347263e-07, 0.0015963515852256331, 0.0010785972975497656]]}