+
+ .. WARNING:
+
+ We have to override this because our superclass uses row vectors
+ instead of column vectors! We, on the other hand, assume column
+ vectors everywhere.
+
+ EXAMPLES:
+
+ sage: set_random_seed()
+ sage: J = eja_ln(5)
+ sage: x = J.random_element()
+ sage: x.matrix()*x.vector() == (x**2).vector()
+ True
+