{"coeffs": [-1.9264683578274004e-06, 0.020162463511417962, 1.8082360609297583, 0.1992750163091404], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [5.295833878207955e-07, 0.7971502228705417, 8.024352081635433, 0.015840072520075302], "covariance": [[2.804585646557511e-13, -3.5288393455066395e-07, -3.5575775553981843e-06, -7.75026223940711e-09], [-3.5288393454714495e-07, 0.6354484778225543, 6.396590162043428, 0.012273631193558076], [-3.5575775553630235e-06, 6.3965901620437275, 64.3902263300469, 0.12363101986115639], [-7.750262239367748e-09, 0.01227363119360891, 0.12363101986166235, 0.0002509078974412448]]}