{"coeffs": [1.3474073188549803e-08, 0.018205652070527222, 1.276935514665381, 0.07661320150633026], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [2.831048993408766e-08, 56.857519680854665, 239.4549200941677, 0.018322798885159152], "covariance": [[8.014838403080787e-16, -6.928185391067317e-07, -2.9184181572608315e-06, -2.8393674280267125e-10], [-6.928185389739854e-07, 3232.7775442587754, 13614.81254001161, 0.9949046244969871], [-2.9184181567780337e-06, 13614.812540012083, 57338.65875730424, 4.190300717633363], [-2.8393674277728973e-10, 0.9949046245491089, 4.190300717851669, 0.00033572495898598944]]}