{"coeffs": [-1.1424269758221454e-06, 4.0731811289350404e-05, 0.41318339410330684, 0.14474359079148116], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.2870312131064626e-07, 1.1200708727000307e-06, 0.007878558972209829, 0.00514266635436363], "covariance": [[5.230511769723218e-14, -1.7835515327717913e-13, -9.890038677284606e-10, -1.0043250447107024e-09], [-1.7835515327717908e-13, 1.2545587598710085e-12, 8.583386392927754e-09, 5.33899037804243e-09], [-9.890038677284602e-10, 8.583386392927754e-09, 6.207169147858801e-05, 3.476756344242218e-05], [-1.004325044710702e-09, 5.338990378042431e-09, 3.476756344242219e-05, 2.644701723230371e-05]]}