From f449313a24038429447cb02a4798beb7fcf8216e Mon Sep 17 00:00:00 2001 From: Christian Bauer Date: Fri, 25 May 2001 20:51:49 +0000 Subject: [PATCH] added description of wildcards --- ginsh/ginsh.1.in | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/ginsh/ginsh.1.in b/ginsh/ginsh.1.in index a19be9c0..6d69ef17 100644 --- a/ginsh/ginsh.1.in +++ b/ginsh/ginsh.1.in @@ -109,6 +109,13 @@ There is also the special symbol that controls the numeric precision of calculations with inexact numbers. Assigning an integer value to digits will change the precision to the given number of decimal places. +.SS WILDCARDS +The has(), match() and subs() functions accept wildcards as placeholders for +expressions. These have the syntax +.RS +.BI $ number +.RE +for example $0, $1 etc. .SS LAST PRINTED EXPRESSIONS ginsh provides the three special symbols .RS @@ -272,7 +279,7 @@ detail here. Please refer to the GiNaC documentation. \- greatest common divisor .br .BI has( expression ", " expression ) -\- returns "1" if the first expression contains the second as a subexpression, "0" otherwise +\- returns "1" if the first expression contains the second (which may contain wildcards) as a subexpression, "0" otherwise .br .BI inverse( matrix ) \- inverse of a matrix @@ -334,7 +341,7 @@ detail here. Please refer to the GiNaC documentation. .BI subs( expression ", " relation-or-list ) .br .BI subs( expression ", " look-for-list ", " replace-by-list ) -\- substitute subexpressions +\- substitute subexpressions (you may use wildcards) .br .BI tcoeff( expression ", " object ) \- trailing coefficient of a polynomial -- 2.44.0