{"coeffs": [-1.9834704830342827e-06, 0.24987713148991367, 1.897733540149443, 0.1235194030249869], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.4418398357238234e-06, 42092.72495806958, 20940.73174377748, 0.4573914534779628], "covariance": [[5.9625817833277495e-12, -0.06641785131273133, -0.03304397664175738, -8.619739626753321e-07], [-0.06641785124969296, 1771797494.3956938, 881452459.8569405, 18450.65219633049], [-0.03304397660995568, 881452459.8570101, 438514245.9648499, 9179.20191477693], [-8.619739622548724e-07, 18450.65220301736, 9179.201918105375, 0.20920694171468338]]}