{"coeffs": [7.890179685669871e-08, 0.5213957168796771, 1.9109692710870794, 0.1446226674637586], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [1.930890934106357e-06, 1642.718096280579, 458.69538967469833, 0.04272277819259213], "covariance": [[3.7283397994141196e-12, -0.002276030354954244, -0.0006356386145677529, -6.885306130439868e-08], [-0.002276030354638378, 2698522.743847689, 753507.1978380698, 67.52329315538398], [-0.000635638614482131, 753507.1978381018, 210401.46050882337, 18.855709306422256], [-6.885306129954612e-08, 67.52329315897563, 18.85570930742366, 0.001825235776493426]]}