{"coeffs": [-8.95727028759667e-08, 0.22473264573330057, 1.841026973909917, 0.15196803681110987], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [7.915843789000205e-07, 106.62980786334205, 72.6946679239327, 0.01671696447242997], "covariance": [[6.266058289185313e-13, -6.23435144558418e-05, -4.251710192419625e-05, -1.127466059381851e-08], [-6.234351445771564e-05, 11369.915924973242, 7751.417522601032, 1.7175059667587411], [-4.251710192538342e-05, 7751.41752260087, 5284.51474457085, 1.1710671518126927], [-1.1274660593979913e-08, 1.717505966738659, 1.1710671517990416, 0.00027945690117248584]]}