{"coeffs": [-2.2729993551758516e-06, 6.755738574498054e-05, 0.5170927951425396, 0.1711461265915324], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.627760950652576e-07, 2.6520434413714427e-06, 0.012383310819294984, 0.0063674832222106814], "covariance": [[1.3160649515079682e-13, -7.593355168444841e-13, -3.281046139722422e-09, -2.101570497357348e-09], [-7.593355168444839e-13, 7.033334414921285e-12, 3.26149871468132e-08, 1.6074849271445788e-08], [-3.2810461397224207e-09, 3.26149871468132e-08, 0.0001533463868472682, 7.326410093272304e-05], [-2.101570497357347e-09, 1.6074849271445798e-08, 7.326410093272308e-05, 4.054484258513453e-05]]}