{"coeffs": [-1.2148671157752184e-05, 0.00012732567559294104, 0.7022750873169671, 0.35016923294244445], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.8002297501330837e-06, 2.5138824249318273e-05, 0.10724465057221504, 0.04580514337613351], "covariance": [[7.841286653530392e-12, -6.644698598773753e-11, -2.811228727743088e-07, -1.2613220420487232e-07], [-6.644698598773493e-11, 6.319604846381124e-10, 2.6948260721175645e-06, 1.1357971917974352e-06], [-2.8112287277429723e-07, 2.694826072117558e-06, 0.011501415076356502, 0.004829475533419676], [-1.2613220420486975e-07, 1.1357971917974564e-06, 0.004829475533419777, 0.002098111159708148]]}