{"coeffs": [-1.2019665715447128e-06, 0.2719833972743702, 1.9144267447775756, 0.15768967229034617], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [4.649255531136368e-07, 85.01888421189034, 49.59453057224501, 0.00967225552113557], "covariance": [[2.161557699380211e-13, -2.979250200472683e-05, -1.7383953115174176e-05, -3.885826932488416e-09], [-2.979250200531919e-05, 7228.210672634817, 4216.471276220271, 0.7932283760293583], [-1.738395311553895e-05, 4216.471276220222, 2459.6174626813454, 0.46277155515958673], [-3.885826932529037e-09, 0.7932283760235437, 0.4627715551561813, 9.355252686613752e-05]]}