{"coeffs": [7.233254950710126e-07, 0.24334758548169846, 2.0921868681721385, 0.1773735350734929], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [5.866055359839291e-07, 109.65416248822666, 80.78120914890981, 0.015003448873068733], "covariance": [[3.441060548469928e-13, -5.1338697295773655e-05, -3.782962761086651e-05, -7.90140035253931e-09], [-5.133869729274583e-05, 12024.035350994414, 8857.995182531162, 1.5930089769548146], [-3.78296276085722e-05, 8857.995182531473, 6525.603751559909, 1.173670940869618], [-7.901400352294027e-09, 1.593008976992521, 1.1736709408974049, 0.00022510347808678743]]}