{"coeffs": [-2.6500524564201758e-08, 0.0004482627083982513, 1.0740020123492746, 0.13125127177293333], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [6.566077220886166e-08, 0.0021229272738463164, 0.6710623707742017, 0.00990278792806765], "covariance": [[4.31133700706402e-15, -9.041720825129619e-11, -2.893052893866505e-08, -5.038276055407237e-10], [-9.041720825130255e-11, 4.5068202100405534e-06, 0.0014244287084614802, 2.0133774200693777e-05], [-2.8930528938666194e-08, 0.0014244287084614797, 0.4503247054690922, 0.006394343217118502], [-5.038276055407349e-10, 2.0133774200693773e-05, 0.006394343217118501, 9.806520874828238e-05]]}