{"coeffs": [-2.2816739892690833e-05, 0.008906323914303817, 5.753354235354078, 0.9908255543375356], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [2.2462966607902196e-05, 1.3251977867931033, 154.1429987273304, 1.2273998482725172], "covariance": [[5.045848688277291e-10, -2.9551008446806438e-05, -0.003438160344790892, -2.7519050336646162e-05], [-2.9551008446164025e-05, 1.7561491741213393, 204.26949583656193, 1.6236317124097561], [-0.003438160344717487, 204.2694958366444, 23760.06405665378, 188.87965468036543], [-2.751905033635801e-05, 1.6236317124280186, 188.8796546824134, 1.5065103875393986]]}