{"coeffs": [-5.612009760962621e-07, 0.27309160983166336, 1.9097252622132412, 0.15640128139345288], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [6.626900868198877e-07, 131.81453812575162, 75.99719526723575, 0.01425077016034546], "covariance": [[4.3915815116935037e-13, -6.555338080043127e-05, -3.780502170133482e-05, -8.136001871395853e-09], [-6.555338079550548e-05, 17375.072461305226, 10017.534353648547, 1.8115451030641456], [-3.7805021698501924e-05, 10017.534353648996, 5775.57368848636, 1.0445568287822644], [-8.136001871088069e-09, 1.811545103118282, 1.044556828813463, 0.0002030844501629926]]}