{"coeffs": [-1.4512485319078941e-06, 5.567821114607404e-05, 0.3988000205276633, 0.14719057375500846], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.382033213873285e-07, 1.0161342510512162e-06, 0.005267576930435608, 0.0037035340310016176], "covariance": [[5.674082231995492e-14, -1.705401195440621e-13, -6.676144118728057e-10, -7.605983551248012e-10], [-1.7054011954406235e-13, 1.0325288161594163e-12, 5.166581279543688e-09, 3.4866793601525803e-09], [-6.676144118728068e-10, 5.166581279543691e-09, 2.7747366718057424e-05, 1.6401998981822653e-05], [-7.605983551248017e-10, 3.4866793601525783e-09, 1.6401998981822636e-05, 1.371616431878709e-05]]}