{"coeffs": [-3.8701932333329577e-08, 0.3242046100825742, 1.3962175045396894, 0.07806251536682601], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [3.767800966705194e-08, 428.7081129771427, 103.51893193618578, 0.003254302994716647], "covariance": [[1.4196324124704592e-15, -7.374663470033029e-06, -1.7809047448890913e-06, -7.063948816758832e-11], [-7.374663467568305e-06, 183790.64613242258, 44379.40577608097, 1.3329297848581625], [-1.7809047442266144e-06, 44379.405776082356, 10716.169269208665, 0.32186800911941266], [-7.063948815626436e-11, 1.3329297849963397, 0.3218680091529092, 1.0590487981421737e-05]]}