{"coeffs": [-1.5144360313749336e-06, 6.566280919783635e-05, 0.457776013463598, 0.14459166527581296], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [4.34727229733832e-07, 3.2512164315365347e-06, 0.01423994567407423, 0.0074737641774642125], "covariance": [[1.8898776427205196e-13, -9.820779496680409e-13, -3.778590446677368e-09, -2.748196606325863e-09], [-9.820779496680407e-13, 1.0570408284693159e-11, 4.573253366216367e-08, 2.267634181590392e-08], [-3.778590446677367e-09, 4.573253366216367e-08, 0.0002027760528005854, 9.602005331532644e-05], [-2.748196606325861e-09, 2.267634181590392e-08, 9.602005331532646e-05, 5.585715098034732e-05]]}