{"coeffs": [-7.008444629180765e-06, 0.00010345438334340669, 0.2700861331803085, 0.15265645147702042], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.138067802525941e-06, 4.342645474885947e-06, 0.011233426919723894, 0.014794063577001958], "covariance": [[9.847469533249988e-12, -9.861155647981497e-12, 8.802699953399706e-10, -4.161960076512528e-08], [-9.861155647981508e-12, 1.885856972054739e-11, 3.120124769473081e-08, 5.848434810806304e-08], [8.802699953399327e-10, 3.1201247694730843e-08, 0.00012618988036077746, 5.676262043795877e-05], [-4.161960076512531e-08, 5.8484348108063015e-08, 5.6762620437958594e-05, 0.00021886431712037595]]}