{"coeffs": [-3.879007945314519e-06, 0.00010189793344991078, 0.5650833331042957, 0.20292727934062568], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [8.588655140272875e-07, 1.1701319606142248e-05, 0.04130225969312309, 0.015345027845480155], "covariance": [[7.376499711853568e-13, -8.31572007796143e-12, -2.885795849370644e-08, -1.2238324450382662e-08], [-8.315720077961423e-12, 1.3692088052508897e-10, 4.825438418501847e-07, 1.7285611038236303e-07], [-2.8857958493706417e-08, 4.825438418501847e-07, 0.0017058766557581802, 0.0006089163837141783], [-1.2238324450382665e-08, 1.7285611038236306e-07, 0.0006089163837141784, 0.00023546987957856136]]}