{"coeffs": [-2.459265196314593e-06, 0.00010319828336081505, 0.4007156310518666, 0.12280917149183213], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [6.562955874326262e-07, 1.85846323569265e-06, 0.004604530316722988, 0.004030093252430134], "covariance": [[4.307238980835359e-13, -7.825962817375404e-13, -9.429729348200928e-10, -2.190620053131036e-09], [-7.825962817375403e-13, 3.453885598421194e-12, 7.714535171269788e-09, 6.737785136904959e-09], [-9.429729348200926e-10, 7.714535171269788e-09, 2.12016994376211e-05, 1.3072454854886743e-05], [-2.1906200531310354e-09, 6.737785136904959e-09, 1.3072454854886742e-05, 1.6241651623282896e-05]]}