{"coeffs": [1.7660957422038965e-08, 1.2291271133406598, 1.9712973290637672, 0.13884555792911238], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [7.987779915591765e-07, 3587.382122742868, 406.9220151435669, 0.016732333389924157], "covariance": [[6.380462797993118e-13, -0.0020056360775697786, -0.00022752093644897578, -1.095370064934147e-08], [-0.0020056360775495127, 12869310.494575126, 1459784.753497576, 57.690866320637824], [-0.00022752093645074894, 1459784.7534975787, 165585.5264085013, 6.544167895736266], [-1.095370064920071e-08, 57.69086632090124, 6.544167895763717, 0.00027997098067157085]]}