{"coeffs": [-7.582575170227306e-07, 0.30531664382948087, 2.0006635908582724, 0.17007556892420292], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [1.6995641912545065e-06, 234.3982331180253, 131.71684527123872, 0.02885354427590365], "covariance": [[2.8885184401945847e-12, -0.00031191622284295874, -0.00017532720080259406, -4.3479176046877296e-08], [-0.00031191622282685357, 54942.531688852134, 30874.192644459166, 6.53965472624661], [-0.00017532720079274368, 30874.192644460345, 17349.32732820744, 3.67530603457275], [-4.3479176045627115e-08, 6.539654726392236, 3.6753060346544006, 0.0008325270172815322]]}