{"coeffs": [-9.071376084491228e-08, 1.2260590354261167, 1.9308895632021734, 0.1336247228685832], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [6.266708318678377e-07, 3430.475201529063, 375.3601815709285, 0.014164700886877215], "covariance": [[3.927163315139277e-13, -0.0014678288287448631, -0.00016062150352861044, -7.142547616670538e-09], [-0.0014678288289420203, 11768160.108305864, 1287663.7875648374, 46.654259476021046], [-0.00016062150354844996, 1287663.7875648153, 140895.2659089604, 5.105030551114159], [-7.142547617025955e-09, 46.654259473788066, 5.1050305508725815, 0.00020063875121470017]]}