X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?p=ginac.git;a=blobdiff_plain;f=ginsh%2Fginsh.1.in;h=c3b9305e39becd44ad0db3eb75aa18f8eb462572;hp=becefecf5b03aeb97e93abba06f1171ccc0c9a9b;hb=24f75d316ba00dcdf32d1623ade26b0c15a01dff;hpb=5954e1a6b131f6f10c1ed96766af7acbd350d8bb diff --git a/ginsh/ginsh.1.in b/ginsh/ginsh.1.in index becefecf..c3b9305e 100644 --- a/ginsh/ginsh.1.in +++ b/ginsh/ginsh.1.in @@ -110,8 +110,8 @@ 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 +The has(), find(), match() and subs() functions accept wildcards as placeholders +for expressions. These have the syntax .RS .BI $ number .RE @@ -119,7 +119,7 @@ for example $0, $1 etc. .SS LAST PRINTED EXPRESSIONS ginsh provides the three special symbols .RS -", "" and """ +%, %% and %%% .RE that refer to the last, second last, and third last printed expression, respectively. These are handy if you want to use the results of previous computations in a new @@ -246,6 +246,9 @@ detail here. Please refer to the GiNaC documentation. .BI content( expression ", " symbol ) \- content part of a polynomial .br +.BI decomp_rational( expression ", " symbol ) +\- decompose rational function into polynomial and proper rational function +.br .BI degree( expression ", " object ) \- degree of a polynomial .br @@ -276,11 +279,14 @@ detail here. Please refer to the GiNaC documentation. .BI expand( expression ) \- expands an expression .br +.BI find( expression ", " pattern ) +\- returns a list of all occurrences of a pattern in an expression +.br .BI gcd( expression ", " expression ) \- greatest common divisor .br -.BI has( expression ", " expression ) -\- returns "1" if the first expression contains the second (which may contain wildcards) as a subexpression, "0" otherwise +.BI has( expression ", " pattern ) +\- returns "1" if the first expression contains the pattern as a subexpression, "0" otherwise .br .BI inverse( matrix ) \- inverse of a matrix @@ -300,6 +306,9 @@ detail here. Please refer to the GiNaC documentation. .BI lsolve( equation-list ", " symbol-list ) \- solve system of linear equations .br +.BI map( expression ", " pattern ) +\- apply function to each operand; the function to be applied is specified as a pattern with the "$0" wildcard standing for the operands +.br .BI match( expression ", " pattern ) \- check whether expression matches a pattern; returns a list of wildcard substitutions or "FAIL" if there is no match .br @@ -449,7 +458,7 @@ x [[\-x+x^2\-2,(x+1)^2],[c,d]] > determinant(M); \-2*d\-2*x*c\-x^2*c\-x*d+x^2*d\-c -> collect(", x); +> collect(%, x); (\-d\-2*c)*x+(d\-c)*x^2\-2*d\-c > solve quantum field theory; parse error at quantum