{"coeffs": [-2.158498515478536e-06, 0.0001365119467748662, 0.6923095075570807, 0.18733314456939967], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.9309655414283285e-06, 6.204460115238916e-05, 0.14636955714882172, 0.037481209170065484], "covariance": [[3.728627922183598e-12, -9.804958424155963e-11, -2.33010018748428e-07, -6.655332852398447e-08], [-9.804958424156071e-11, 3.8495325321590505e-09, 9.072216047890873e-06, 2.242169629700326e-06], [-2.330100187484305e-07, 9.07221604789087e-06, 0.021424047259942187, 0.005326719172523344], [-6.655332852398481e-08, 2.242169629700316e-06, 0.005326719172523322, 0.0014048410408502008]]}