{"coeffs": [-5.74196479672249e-07, 4.7959057724730275e-05, 0.43799460317946715, 0.11064447872341915], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.8594930555357316e-07, 1.2151399387241287e-06, 0.006218538506972051, 0.0036140457590443193], "covariance": [[3.457714423585611e-14, -1.255050818447431e-13, -4.821586405248393e-10, -4.932485975095578e-10], [-1.255050818447432e-13, 1.4765650706824793e-12, 7.339178419481341e-09, 3.964965240552628e-09], [-4.821586405248402e-10, 7.339178419481343e-09, 3.8670221162694184e-05, 1.9039227996426384e-05], [-4.932485975095579e-10, 3.964965240552627e-09, 1.9039227996426377e-05, 1.306132674846623e-05]]}