{"coeffs": [1.3749933002699054e-06, 0.41633579655499414, 1.1636923498828184, 0.052960696234914235], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [8.157834755859849e-07, 23172.523660174942, 2960.900423256814, 0.06772691834148531], "covariance": [[6.655026790391492e-13, -0.006714962738111046, -0.0008580734880009889, -2.4941014275391424e-08], [-0.0067149627394355125, 536965852.7813675, 68611534.97010115, 1508.9545156176273], [-0.0008580734881397057, 68611534.97010046, 8766931.316442382, 192.812253624171], [-2.4941014277952226e-08, 1508.9545155497915, 192.81225361576742, 0.004586935468034219]]}