{"coeffs": [-9.9545143595401e-07, 8.203366661759494e-05, 0.42516675105668256, 0.12322552498598127], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.3444161493456505e-07, 1.3398182288657324e-06, 0.004313958925064663, 0.002639730433239717], "covariance": [[5.496287081312687e-14, -1.9277957792765646e-13, -4.72140229141865e-10, -4.874775836288457e-10], [-1.9277957792765656e-13, 1.7951128864009083e-12, 5.6118598439414455e-09, 3.2237642775789988e-09], [-4.721402291418652e-10, 5.611859843941446e-09, 1.861024160714506e-05, 9.657420643501999e-06], [-4.87477583628846e-10, 3.2237642775789988e-09, 9.657420643501999e-06, 6.9681767601719435e-06]]}