{"coeffs": [-7.339653789308769e-07, 5.168218802647753e-05, 0.4195866356360124, 0.11649236949282903], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.2809614935765534e-07, 1.2360731873294714e-06, 0.006110454425974708, 0.0038580225535091023], "covariance": [[5.2027853351789815e-14, -1.644527589681378e-13, -5.824865486072439e-10, -6.719848054520838e-10], [-1.6445275896813768e-13, 1.5278769244348387e-12, 7.2819295156668034e-09, 4.3077895052139025e-09], [-5.82486548607243e-10, 7.281929515666802e-09, 3.7337653291913905e-05, 1.95548474906731e-05], [-6.719848054520837e-10, 4.307789505213904e-09, 1.9554847490673118e-05, 1.4884338023384894e-05]]}