{"coeffs": [-5.541269750635411e-07, 1.1047932912278045, 2.1020149364642506, 0.15193940790251304], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [7.433699048563273e-07, 3132.8418389134636, 432.5344162729931, 0.017811320252901927], "covariance": [[5.52598815446105e-13, -0.0017194408442602921, -0.00023741159328515175, -1.1278593738521359e-08], [-0.0017194408431545384, 9814697.987646692, 1355061.9082099353, 53.762346799041836], [-0.00023741159313045307, 1355061.9082100685, 187086.02126061887, 7.422896477941295], [-1.1278593734754322e-08, 53.76234681265046, 7.4228964798228345, 0.0003172431291514343]]}