{"coeffs": [-4.036064845124813e-06, 8.690639710661685e-05, 0.39815592553942497, 0.16578847282046136], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [6.456032813650046e-07, 1.6721483851240005e-06, 0.005342629333193804, 0.005125820180638648], "covariance": [[4.168035969092612e-13, -8.411575397926672e-13, -1.735610058246856e-09, -3.027269787089263e-09], [-8.411575397926682e-13, 2.7960802218728026e-12, 8.258602450381049e-09, 8.053413070482237e-09], [-1.7356100582468606e-09, 8.258602450381054e-09, 2.8543688191902873e-05, 2.1166284043020628e-05], [-3.027269787089265e-09, 8.053413070482232e-09, 2.1166284043020594e-05, 2.6274032524242417e-05]]}