{"coeffs": [-2.971728981546229e-06, 0.002453503334416661, 1.3782468195908162, 0.2240835827688582], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [4.5174986346453106e-07, 0.0034110076463742234, 0.3485343951697069, 0.008515526073570649], "covariance": [[2.0407793914022244e-13, -1.3373518344882008e-09, -1.378040098157404e-07, -3.6320614384832194e-09], [-1.3373518344882165e-09, 1.1634973163623419e-05, 0.0011886688655267602, 2.8336883605298282e-05], [-1.3780400981574047e-07, 0.00118866886552676, 0.12147622461631342, 0.002906422501364735], [-3.632061438483254e-09, 2.8336883605298282e-05, 0.002906422501364735, 7.251418430966154e-05]]}