{"coeffs": [2.865491889098777e-07, 0.9382514414707604, 1.5271146928578152, 0.09121695556017517], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [2.9350313816809896e-07, 2984.8961835236264, 291.4128837975653, 0.009182920611277076], "covariance": [[8.61440921145222e-14, -0.00044995255137504365, -4.393237639856517e-05, -1.7234317780346935e-09], [-0.0004499525519713124, 8909605.22641391, 869837.2008581869, 26.17516650668428], [-4.3932376455757225e-05, 869837.2008580763, 84921.46884321331, 2.555533644659831], [-1.7234317792788906e-09, 26.175166495639385, 2.5555336435814753, 8.432603095301735e-05]]}