diff options
| -rw-r--r-- | lib/matrix.rb | 11 | ||||
| -rw-r--r-- | test/matrix/test_matrix.rb | 5 |
2 files changed, 16 insertions, 0 deletions
diff --git a/lib/matrix.rb b/lib/matrix.rb index 75b5da29c7..336a92877b 100644 --- a/lib/matrix.rb +++ b/lib/matrix.rb @@ -1533,6 +1533,17 @@ class Matrix alias_method :conj, :conjugate # + # Returns the adjoint of the matrix. + # + # Matrix[ [i,1],[2,-i] ].adjoint + # # => -i 2 + # # 1 i + # + def adjoint + conjugate.transpose + end + + # # Returns the imaginary part of the matrix. # Matrix[[Complex(1,2), Complex(0,1), 0], [1, 2, 3]] # # => 1+2i i 0 diff --git a/test/matrix/test_matrix.rb b/test/matrix/test_matrix.rb index f963b2d06a..b134bfb3a1 100644 --- a/test/matrix/test_matrix.rb +++ b/test/matrix/test_matrix.rb @@ -807,4 +807,9 @@ class TestMatrix < Test::Unit::TestCase assert_equal false, @a3.orthogonal? assert_raise(Matrix::ErrDimensionMismatch) { @m1.orthogonal? } end + + def test_adjoint + assert_equal(Matrix[[(1-2i), 1], [(0-1i), 2], [0, 3]], @c1.adjoint) + assert_equal(Matrix.empty(0,2), @e1.adjoint) + end end |