{"coeffs": [1.6542665593807035e-08, 6.417184234224853e-05, 0.7214132174210866, 0.10298123519846988], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.0409876682109014e-08, 1.2012848323662718e-05, 0.02801063790210433, 0.003063032753917108], "covariance": [[9.247605998210774e-16, -1.9528632470288324e-13, -4.718932631843795e-10, -6.227570535957003e-11], [-1.9528632470288383e-13, 1.4430852484732617e-10, 3.3596135471598513e-07, 3.489483445160906e-08], [-4.718932631843809e-10, 3.359613547159852e-07, 0.0007845958356828037, 8.26712402749255e-05], [-6.22757053595697e-11, 3.489483445160906e-08, 8.267124027492548e-05, 9.382169651569022e-06]]}