e&nbsp;f1&nbsp;x1&nbsp;y1</I
	    ></TT
	  ><FONT COLOR = "navy"
	  ><TT
	    ><B
	      >)&nbsp;(</B
	      ></TT
	    ></FONT
	  ><TT
	  ><I
	    >Table&nbsp;f2&nbsp;x2&nbsp;y2</I
	    ></TT
	  ><FONT COLOR = "navy"
	  ><TT
	    ><B
	      >)&nbsp;</B
	      ></TT
	    ></FONT
	  ><TT
	  ><I
	    >comb&nbsp;</I
	    ></TT
	  ><FONT COLOR = "navy"
	  ><TT
	    ><B
	      >=&nbsp;</B
	      ></TT
	    ></FONT
	  ><TT
	  ><I
	    >Table&nbsp;new_fn&nbsp;</I
	    ></TT
	  ><FON