Python is_FreeModuleHomspace Examples

Example #1

File: free_module_morphism.py Project: Etn40ff/sage

    def __init__(self, parent, A):
        """
        INPUT:

            -  ``parent`` - a homspace in a (sub) category of free modules

            -  ``A`` - matrix

        EXAMPLES::

            sage: V = ZZ^3; W = span([[1,2,3],[-1,2,8]], ZZ)
            sage: phi = V.hom(matrix(ZZ,3,[1..9]))
            sage: type(phi)
            <class 'sage.modules.free_module_morphism.FreeModuleMorphism'>
        """
        if not free_module_homspace.is_FreeModuleHomspace(parent):
            raise TypeError("parent (=%s) must be a free module hom space"%parent)
        if isinstance(A, matrix_morphism.MatrixMorphism):
            A = A.matrix()
        A = parent._matrix_space()(A)
        matrix_morphism.MatrixMorphism.__init__(self, parent, A)

Example #2

File: free_module_morphism.py Project: bopopescu/sage-5

    def __init__(self, parent, A):
        """
        INPUT:

            -  ``parent`` - a homspace in a (sub) category of free modules

            -  ``A`` - matrix

        EXAMPLES::

            sage: V = ZZ^3; W = span([[1,2,3],[-1,2,8]], ZZ)
            sage: phi = V.hom(matrix(ZZ,3,[1..9]))
            sage: type(phi)
            <class 'sage.modules.free_module_morphism.FreeModuleMorphism'>
        """
        if not free_module_homspace.is_FreeModuleHomspace(parent):
            raise TypeError, "parent (=%s) must be a free module hom space" % parent
        if isinstance(A, matrix_morphism.MatrixMorphism):
            A = A.matrix()
        A = parent._matrix_space()(A)
        matrix_morphism.MatrixMorphism.__init__(self, parent, A)