source: CGBLisp/latex-doc/order.tex@ 1

Last change on this file since 1 was 1, checked in by Marek Rychlik, 15 years ago

First import of a version circa 1997.

File size: 2.1 KB
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1\begin{lisp:documentation}{lex$>$}{FUNCTION}{p q {\sf \&optional} (start 0) (end (length p)) }
2Return T if P$>$Q with respect to lexicographic order, otherwise NIL.
3The second returned value is T if P=Q, otherwise it is NIL.
4\end{lisp:documentation}
5
6\begin{lisp:documentation}{total$-$degree}{FUNCTION}{m {\sf \&optional} (start 0) (end (length m)) }
7Return the todal degree of a monomoal M.
8\end{lisp:documentation}
9
10\begin{lisp:documentation}{grlex$>$}{FUNCTION}{p q {\sf \&optional} (start 0) (end (length p)) }
11Return T if P$>$Q with respect to graded lexicographic order,
12otherwise NIL. The second returned value is T if P=Q, otherwise it is
13NIL.
14\end{lisp:documentation}
15
16\begin{lisp:documentation}{grevlex$>$}{FUNCTION}{p q {\sf \&optional} (start 0) (end (length p)) }
17Return T if P$>$Q with respect to graded reverse lexicographic order,
18NIL otherwise. The second returned value is T if P=Q, otherwise it is
19NIL.
20\end{lisp:documentation}
21
22\begin{lisp:documentation}{revlex$>$}{FUNCTION}{p q {\sf \&optional} (start 0) (end (length p)) }
23Return T if P$>$Q with respect to reverse lexicographic order, NIL
24otherwise. The second returned value is T if P=Q, otherwise it is
25NIL. This is not and admissible monomial order because some sets do
26not have a minimal element. This order is useful in constructing
27other orders.
28\end{lisp:documentation}
29
30\begin{lisp:documentation}{invlex$>$}{FUNCTION}{p q {\sf \&optional} (start 0) (end (length p)) }
31Return T if P$>$Q with respect to inverse lexicographic order, NIL
32otherwise The second returned value is T if P=Q, otherwise it is NIL.
33\end{lisp:documentation}
34
35\begin{lisp:documentation}{elimination$-$order}{FUNCTION}{k {\sf \&key} (primary$-$order \#'lex$>$) (secondary$-$order \#'lex$>$) }
36Return a predicate which compares monomials according to the
37K$-$th elimination order. Two optional arguments are PRIMARY$-$ORDER
38and SECONDARY$-$ORDER and they should be term orders which are used
39on the first K and the remaining variables.
40\end{lisp:documentation}
41
42\begin{lisp:documentation}{elimination$-$order$-$1}{FUNCTION}{order }
43A special case of the ELIMINATION$-$ORDER when there is only
44one primary variable.
45\end{lisp:documentation}
46
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