{"coeffs": [-8.342751152270214e-07, 5.49033024693219e-05, 0.45537939634997554, 0.12353762174344168], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.731653136242854e-07, 2.123592809802835e-06, 0.010066517116307636, 0.005308991715482085], "covariance": [[7.46192885674542e-14, -3.5674421956943146e-13, -1.416509019876175e-09, -1.13371682905217e-09], [-3.567442195694311e-13, 4.509646421846301e-12, 2.1018010842396143e-08, 1.0358549907158958e-08], [-1.4165090198761757e-09, 2.1018010842396147e-08, 0.00010133476685291461, 4.721428052557219e-05], [-1.1337168290521704e-09, 1.0358549907158961e-08, 4.72142805255722e-05, 2.818539303505741e-05]]}