return [ -M(v.list()) for v in Sigma_cone ]
+def LL_cone(K):
+ gens = K.lyapunov_like_basis()
+ L = ToricLattice(K.lattice_dim()**2)
+ return Cone([ g.list() for g in gens ], lattice=L, check=False)
+
def Z_cone(K):
gens = Z_operator_gens(K)
L = ToricLattice(K.lattice_dim()**2)