{"coeffs": [2.078141888737103e-06, 4.767378328906017e-05, 0.4660868492920504, 0.1348224908008842], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.734170063917282e-06, 2.301458070905764e-05, 0.14101122050413803, 0.07063360432220023], "covariance": [[7.475685938421433e-12, -4.154503361158159e-11, -2.2370206415360113e-07, -1.5785538786937022e-07], [-4.1545033611581644e-11, 5.29670925213728e-10, 3.2069273428449027e-06, 1.5094032770237392e-06], [-2.2370206415360143e-07, 3.2069273428449027e-06, 0.01988416430806664, 0.008982887869641082], [-1.5785538786937033e-07, 1.5094032770237383e-06, 0.008982887869641075, 0.004989106059545143]]}