{"coeffs": [-1.4633944124400513e-06, 0.2838268209481995, 1.8560501460098284, 0.1524450167987074], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [1.5472246326571385e-06, 241.34447601498655, 130.43813680362874, 0.027848718418533307], "covariance": [[2.3939040639010174e-12, -0.0002763158515776053, -0.00014938659409163854, -3.6759023167499147e-08], [-0.000276315851620531, 58247.15610294842, 31480.5203979927, 6.476638299516437], [-0.00014938659411502703, 31480.520397989432, 17014.107532802165, 3.5008425264190928], [-3.6759023170299444e-08, 6.47663829911483, 3.500842526202371, 0.0007755511175547563]]}