{"coeffs": [-2.8013701503629755e-06, 4.6902292451985696e-05, 0.37635205672911426, 0.18925338071736458], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.352802698003743e-07, 8.992093103512021e-07, 0.006024758403110386, 0.004475492552470757], "covariance": [[5.5356805357336923e-14, -1.744803883957887e-13, -9.88624829404853e-10, -9.840843046234643e-10], [-1.7448038839578824e-13, 8.085773838222845e-13, 5.293560856122614e-09, 3.845307191045225e-09], [-9.886248294048492e-10, 5.29356085612261e-09, 3.629771381584921e-05, 2.3959295815807273e-05], [-9.84084304623463e-10, 3.845307191045229e-09, 2.395929581580732e-05, 2.0030033587221213e-05]]}