{"coeffs": [-2.1106582270561733e-06, 5.808783864780561e-05, 0.38667433513794, 0.16055123638889804], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.0199998910300005e-07, 7.479884851397346e-07, 0.003824427401989378, 0.0029102398807303942], "covariance": [[4.0803995597612144e-14, -1.1240608290053762e-13, -4.3118344632043694e-10, -5.231430668219293e-10], [-1.1240608290053764e-13, 5.59486773901635e-13, 2.7488322799624168e-09, 2.033848752592197e-09], [-4.3118344632043714e-10, 2.748832279962417e-09, 1.4626244953087225e-05, 9.307724803260066e-06], [-5.231430668219293e-10, 2.0338487525921967e-09, 9.307724803260065e-06, 8.46949616339366e-06]]}