{"coeffs": [-1.0336027699706804e-06, 0.2276753784358087, 1.951487668701437, 0.1637344555116994], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [5.151206035853046e-07, 76.47864477844897, 55.55483633961357, 0.01187549215459169], "covariance": [[2.653492362380885e-13, -3.0278786852945207e-05, -2.2001269042863737e-05, -5.356974905871459e-09], [-3.027878685225412e-05, 5848.98310714818, 4248.758163123399, 0.8771267652360784], [-2.20012690423801e-05, 4248.758163123462, 3086.339840721249, 0.6372304085611729], [-5.3569749058187e-09, 0.8771267652437559, 0.6372304085667477, 0.0001410273139137688]]}