{"coeffs": [1.1962319958449106e-08, 0.028569651078307244, 1.2674425341220332, 0.07039346077074563], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.78747175642492e-08, 223.77822753272548, 550.3523302722008, 0.021700969496284934], "covariance": [[7.769998792866628e-16, -2.5316157517029506e-06, -6.226906491423873e-06, -3.1331674487010585e-10], [-2.5316157526796537e-06, 50076.69511768825, 123156.86819796548, 4.642272335435096], [-6.226906493826781e-06, 123156.86819796062, 302887.6874360416, 11.417438175203305], [-3.133167449416138e-10, 4.642272334942894, 11.417438173987108, 0.0004709320770786891]]}