sage: id = identity_matrix(J.base_ring(), J.dimension())
sage: f = FiniteDimensionalEuclideanJordanAlgebraOperator(J,J,id)
sage: f(x) == x
True
"""
sage: id = identity_matrix(J.base_ring(), J.dimension())
sage: f = FiniteDimensionalEuclideanJordanAlgebraOperator(J,J,id)
sage: f(x) == x
True
"""