{"coeffs": [6.327026478293576e-08, 0.1943991734386744, 1.4785262268489936, 0.07880308669847545], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.802595100074028e-08, 7495.677204522076, 3045.224322582339, 0.02330047109387893], "covariance": [[1.4459729495107005e-15, -0.00012503989661204431, -5.0800577979523435e-05, -4.939490543601164e-10], [-0.0001250398967744673, 56185176.75439188, 22826018.529676158, 166.70677939318674], [-5.080057803754117e-05, 22826018.52967547, 9273391.174847065, 67.72752583800613], [-4.939490546026786e-10, 166.7067793329248, 67.72752581357359, 0.0005429119531966875]]}