{"coeffs": [-2.7377568259594667e-06, 0.2503003247262579, 2.045755268816419, 0.19015942511551107], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [1.229457125456237e-06, 42.522375350250236, 32.54384183765234, 0.013728374462418147], "covariance": [[1.5115648233351135e-12, -4.294684185727318e-05, -3.288304902250348e-05, -1.543041149105636e-08], [-4.294684185819132e-05, 1808.152405427569, 1383.8410616751928, 0.5665591159164755], [-3.288304902325689e-05, 1383.8410616751482, 1059.1016415541305, 0.4336885079004177], [-1.5430411491230642e-08, 0.5665591159105554, 0.4336885078958751, 0.00018846826538037472]]}