ucture(.Data = <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;c( 1, -1, <br>1, -1), .Dim = c(2, 2)),<br>carry = structure(.Data = <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;c( 0, -1, <br>0, 1), .Dim = c(2, 2))<br>)
</font>

</p>
</body>
</html>
