Hi there, Isn't the following a bug ?
sage: mat = matrix(ZZ, [[1,1],[1,1]], sparse=False) sage: type(mat) <type 'sage.matrix.matrix_integer_dense.Matrix_integer_dense'> sage: mat2 = matrix(ZZ, mat, sparse=True) sage: type(mat2) <type 'sage.matrix.matrix_integer_dense.Matrix_integer_dense'> ^^^^^ Cheers, Florent -- To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email to sage-devel+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-devel URL: http://www.sagemath.org