{"coeffs": [7.617948956193573e-07, 0.5693186881842446, 1.8338499946067504, 0.13103172467609397], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [8.888446875753867e-07, 1662.0043085305897, 384.58813414864613, 0.024987307370361877], "covariance": [[7.900448786309869e-13, -0.0009952805147754738, -0.0002303382956410922, -1.769395666186793e-08], [-0.0009952805149534307, 2762258.3215742437, 639187.1267186285, 39.85294867722153], [-0.00023033829567931322, 639187.1267186041, 147908.03292793702, 9.22243947194462], [-1.7693956663491246e-08, 39.852948674608754, 9.222439471343089, 0.000624365529620941]]}