{"coeffs": [-7.683656367869279e-07, 0.1331203121872817, 1.5755968904696633, 0.12493930324573273], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [1.5951365255179103e-07, 12.378792875847816, 11.722071896677052, 0.0037915863919000935], "covariance": [[2.5444605350413507e-14, -1.287759042546293e-06, -1.2201234457836327e-06, -4.700024941816415e-10], [-1.2877590425772274e-06, 153.23451306314064, 145.10506358387696, 0.04499313038621009], [-1.2201234458121085e-06, 145.10506358387394, 137.40696955086594, 0.04261510001235058], [-4.700024941874047e-10, 0.044993130385818904, 0.04261510001198187, 1.437612736724197e-05]]}