{"coeffs": [-2.721370860573783e-06, 9.316403530148305e-05, 0.378182229813957, 0.1422598951763201], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [6.93146247787508e-07, 2.475910305591019e-06, 0.007457473533009844, 0.005791049022285409], "covariance": [[4.804517208219015e-13, -1.181867482562902e-12, -2.391705480540785e-09, -3.431612942325411e-09], [-1.181867482562901e-12, 6.130131841331811e-12, 1.7480119139982964e-08, 1.3176734973728616e-08], [-2.3917054805407846e-09, 1.7480119139982964e-08, 5.561391149554232e-05, 3.445606704449247e-05], [-3.43161294232541e-09, 1.3176734973728619e-08, 3.445606704449248e-05, 3.353624877851279e-05]]}