(Vector#eqn?): removed. Defined by mistake.
Fixes [ruby-dev:36294]. Reported by weda <weda AT
issp.u-tokyo.ac.jp> and an anonymous user.
* test/matrix/test_matrix.rb: added.
* test/matrix/test_vector.rb: added.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@19338 b2dd03c8-39d4-4d8f-98ff-823fe69b080e