Reorganize the Hurwitz (matrix) algebra stuff.

[sage.d.git] / mjo / matrix_algebra.py

diff --git a/mjo/matrix_algebra.py b/mjo/matrix_algebra.py
index a67a9b4a1c0692d31aceffa3097343aa0df99dae..94a8410f9929986a8737f9bbb846c04490751fe5 100644 (file)
--- a/mjo/matrix_algebra.py
+++ b/mjo/matrix_algebra.py
@@ -236,7 +236,7 @@ class MatrixAlgebra(CombinatorialFreeModule):
 
         SETUP::
 
-            sage: from mjo.octonions import Octonions
+            sage: from mjo.hurwitz import Octonions
             sage: from mjo.matrix_algebra import MatrixAlgebra
 
         TESTS::
@@ -322,29 +322,3 @@ class MatrixAlgebra(CombinatorialFreeModule):
             return self
         else:
             return self.from_list(elt)
-
-
-class HurwitzMatrixAlgebraElement(MatrixAlgebraElement):
-    def is_hermitian(self):
-        r"""
-
-        SETUP::
-
-            sage: from mjo.matrix_algebra import HurwitzMatrixAlgebra
-
-        EXAMPLES::
-
-            sage: A = HurwitzMatrixAlgebra(QQbar, ZZ, 2)
-            sage: M = A([ [ 0,I],
-            ....:         [-I,0] ])
-            sage: M.is_hermitian()
-            True
-
-        """
-        return all( self[i,j] == self[j,i].conjugate()
-                    for i in range(self.nrows())
-                    for j in range(self.ncols()) )
-
-
-class HurwitzMatrixAlgebra(MatrixAlgebra):
-    Element = HurwitzMatrixAlgebraElement