sage: J1 = HadamardEJA(2)
sage: J2 = RealSymmetricEJA(2)
sage: J = cartesian_product([J1,J2])
- sage: J
- foo
- sage: J.cartesian_embedding
- bar
sage: J.cartesian_embedding(0)
Linear operator between finite-dimensional Euclidean Jordan
algebras represented by the matrix: