{"coeffs": [-3.454326108975899e-06, 0.03981767137763226, 2.685102698778157, 0.2910989695554485], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [4.261221369345139e-06, 37.08443514821209, 272.7149120642095, 0.20573223644790775], "covariance": [[1.8158007558563656e-11, -0.0001453029064563935, -0.0010689397882168515, -8.514581204357652e-07], [-0.0001453029064398613, 1375.2553302619478, 10113.473988218151, 7.502441322075161], [-0.0010689397880955553, 10113.473988220849, 74373.4232621895, 55.181705837381166], [-8.51458120387046e-07, 7.50244132246827, 55.18170584025732, 0.04232575311385782]]}