[Maxima-commits] CVS: maxima/doc/info Differentiation.texi,1.2,1.3 From: Raymond Toy - 2002-06-26 13:48:46 ```Update of /cvsroot/maxima/maxima/doc/info In directory usw-pr-cvs1:/tmp/cvs-serv10666/doc/info Modified Files: Differentiation.texi Log Message: o Some documentation added for DEL. o Replace batch("gendif.mc") with just plain batch("gendif"). Index: Differentiation.texi =================================================================== RCS file: /cvsroot/maxima/maxima/doc/info/Differentiation.texi,v retrieving revision 1.2 retrieving revision 1.3 diff -u -d -r1.2 -r1.3 --- Differentiation.texi 8 May 2000 18:13:06 -0000 1.2 +++ Differentiation.texi 26 Jun 2002 13:48:42 -0000 1.3 @@ -72,6 +72,24 @@ examples. @end defun +@defun DEL (v) +This is the differential of the variable @math{v}. This commonly occurs +when DIFF is called without the dependent variable being given. Then +the differential of the expression is computed. For example: +@example +(C1) diff(x); + +(D1) DEL(x) +(C2) diff(x^2); + +(D2) 2 x DEL(x) +(C3) diff(sin(x^2)); + + 2 +(D3) 2 x COS(x ) DEL(x) +@end example + +@end defun @c @node DELTA, DEPENDENCIES, CARTAN, Differentiation @c @unnumberedsec phony @defun DELTA (t) @@ -301,7 +319,7 @@ Sometimes DIFF(E,X,N) can be reduced even though N is symbolic. @example -batch("gendif.mc")\$ +batch("gendif")\$ @end example and you can try, for example, ```