{"coeffs": [-0.07711680507594569, 2.602017649411718e-08, 0.3555664531895541, 0.00034062585067944003], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1324938.5364720244, 1.0049840377013089e-07, 4987.833599221281, 492.8897600366218], "covariance": [[1755462125428.63, 0.0, 3651671315.000403, 515307176.0146723], [-2.562812796406709e-09, 1.0099929160344258e-14, -7.205871610720646e-12, -4.632312283228929e-13], [5327226181.161858, 3.1811941827163675e-11, 24878484.013520718, 166636.96850910262], [345632181.15893126, 1.9882463641977297e-12, -678167.7905595353, 242940.3155489586]]}