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Diff for /OpenXM/src/kan96xx/Doc/ex.tex between version 1.1 and 1.3

version 1.1, 1999/10/08 02:12:02 version 1.3, 2004/09/10 13:20:22
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 \documentstyle{article}  % $OpenXM: OpenXM/src/kan96xx/Doc/ex.tex,v 1.2 2000/01/16 07:58:58 takayama Exp $
   \documentclass{article}
 \title{\bf kan/examples}  \title{\bf kan/examples}
 \author{Nobuki Takayama}  \author{Nobuki Takayama}
 \date{January 7,1995 : Revised, August 15, 1996; \\ Revised December 17, 1998.}  \date{January 7,1995 : Revised, August 15, 1996; \\ Revised December 17, 1998.}
Line 504  As we have seen before,
Line 505  As we have seen before,
 a given string is parsed as a polynomial in the current ring by the operator  a given string is parsed as a polynomial in the current ring by the operator
 ``{\tt .}''.  ``{\tt .}''.
 To parse in a given ring,  To parse in a given ring,
 the operator ``{\tt ,,}'' is used.  the operator ``{\tt \_\_}'' is used.
 That is,  That is,
 \begin{verbatim}  \begin{verbatim}
    [(x,y)  ring_of_differential_operators 0] define_ring /R set     [(x,y)  ring_of_differential_operators 0] define_ring /R set
    (x^2-y) R  ,,  /f  set     (x^2-y) R  __  /f  set
 \end{verbatim}  \end{verbatim}
 means to parse the string \verb! x^2-y ! in the ring {\tt R}  means to parse the string \verb! x^2-y ! in the ring {\tt R}
 and put the polynomial $x^2-y$ in the variable {\tt f}.  and put the polynomial $x^2-y$ in the variable {\tt f}.
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