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From: Wolfgang Jenkner <wjenkner@us...>  20020921 03:04:01

Update of /cvsroot/maxima/maxima/doc/info In directory uswprcvs1:/tmp/cvsserv23712 Modified Files: Expressions.texi Log Message: Update documentation for DISOLATE. Index: Expressions.texi =================================================================== RCS file: /cvsroot/maxima/maxima/doc/info/Expressions.texi,v retrieving revision 1.5 retrieving revision 1.6 diff u d r1.5 r1.6  Expressions.texi 15 Jul 2002 16:18:53 0000 1.5 +++ Expressions.texi 21 Sep 2002 03:03:58 0000 1.6 @@ 295,8 +295,9 @@ more than one variable simultaneously. This might be useful, for example, if one were attempting to change variables in a multiple integration, and that variable change involved two or more of the integration variables. To access this function, do LOAD(DISOL)$ . A demo is available by DEMO("disol"); . +integration variables. This function is autoloaded from +@file{simplification/disol.mac}. A demo is available by +@code{demo("disol")$}. @end defun @c @node DISPFORM, DISTRIB, DISOLATE, Expressions 
From: Wolfgang Jenkner <wjenkner@us...>  20020921 03:00:56

Update of /cvsroot/maxima/maxima/doc/info In directory uswprcvs1:/tmp/cvsserv23123 Modified Files: Simplification.texi Log Message: Update documentation for functions from facsum and stopex. Replace the Fortranlike notation `**' by '^'. Index: Simplification.texi =================================================================== RCS file: /cvsroot/maxima/maxima/doc/info/Simplification.texi,v retrieving revision 1.2 retrieving revision 1.3 diff u d r1.2 r1.3  Simplification.texi 8 May 2000 18:13:08 0000 1.2 +++ Simplification.texi 21 Sep 2002 03:00:53 0000 1.3 @@ 89,18 +89,30 @@ This is useful in order to expand part but not all of an expression. EXPON[0]  the exponent of the largest negative power which is automatically expanded (independent of calls to EXPAND). For example if EXPON is 4 then (X+1)**(5) will not be automatically expanded. +if EXPON is 4 then (X+1)^(5) will not be automatically expanded. EXPOP[0]  the highest positive exponent which is automatically expanded. Thus (X+1)**3, when typed, will be automatically expanded +expanded. Thus (X+1)^3, when typed, will be automatically expanded only if EXPOP is greater than or equal to 3. If it is desired to have (X+1)**N expanded where N is greater than EXPOP then executing EXPAND((X+1)**N) will work only if MAXPOSEX is not less than N. +(X+1)^N expanded where N is greater than EXPOP then executing +EXPAND((X+1)^N) will work only if MAXPOSEX is not less than N. The EXPAND flag used with EV (see EV) causes expansion. The file SHARE1;FACEXP FASL contains several related functions (FACSUM and COLLECTTERMS are two) that provide the user with the ability to structure expressions by controlled expansion. Brief function descriptions are available in SHARE1;FACEXP USAGE. A demo is available by doing BATCH("facexp.mc")$ . + +@findex FACSUM +@findex COLLECTTERMS +@findex FACTORFACSUM +@vindex NEXTLAYERFACTOR +@vindex FACSUM_COMBINE +The file @file{simplification/facexp.mac} +@c I should really use a macro which expands to something like +@c @uref{file://...,,simplification/facexp.mac}. But texi2html +@c currently supports @uref only with one argument. +@c Worse, the `file:' scheme is OS and browser dependent. +contains several related functions (in particular FACSUM, FACTORFACSUM +and COLLECTTERMS, which are autoloaded) and variables (NEXTLAYERFACTOR +and FACSUM_COMBINE) that provide the user with the ability to structure +expressions by controlled expansion. Brief function descriptions are +available in @file{simplification/facexp.usg}. A demo is available by +doing @code{demo("facexp")$}. @end defun @c @node EXPANDWRT, EXPANDWRT_DENOM, EXPAND, Simplification @@ 111,8 +123,8 @@ will be free of products of sums of expressions that are not free of the vari. The vari may be variables, operators, or expressions. By default, denominators are not expanded, but this can be controlled by means of the switch EXPANDWRT_DENOM. Do LOAD(STOPEX); to use this function. +means of the switch EXPANDWRT_DENOM. This function is autoloaded from +@file{simplification/stopex.mac}. @end defun @c @node EXPANDWRT_DENOM, EXPANDWRT_FACTORED, EXPANDWRT, Simplification @@ 122,7 +134,7 @@ expressions by EXPANDWRT. If TRUE, then both the numerator and denominator of the expression will be expanded according to the arguments of EXPANDWRT, but if EXPANDWRT_DENOM is FALSE, then only the numerator will be expanded in that way. Do LOAD(STOPEX) to use. +numerator will be expanded in that way. @end defvar @c @node EXPANDWRT_FACTORED, EXPON, EXPANDWRT_DENOM, Simplification @@ 132,8 +144,8 @@ EXPANDWRT, but treats expressions that are products somewhat differently. EXPANDWRT_FACTORED will perform the required expansion only on those factors of exp that contain the variables in its argument list argument list. Do LOAD(STOPEX) to use this function. +argument list. This function is autoloaded from +@file{simplification/stopex.mac}. @end defun @c @node EXPON, EXPONENTIALIZE, EXPANDWRT_FACTORED, Simplification @@ 141,7 +153,7 @@ @defvar EXPON default: [0]  the exponent of the largest negative power which is automatically expanded (independent of calls to EXPAND). For example if EXPON is 4 then (X+1)**(5) will not be automatically +example if EXPON is 4 then (X+1)^(5) will not be automatically expanded. @end defvar @@ 160,10 +172,10 @@ @c @unnumberedsec phony @defvar EXPOP default: [0]  the highest positive exponent which is automatically expanded. Thus (X+1)**3, when typed, will be +automatically expanded. Thus (X+1)^3, when typed, will be automatically expanded only if EXPOP is greater than or equal to 3. If it is desired to have (X+1)**n expanded where n is greater than EXPOP then executing EXPAND((X+1)**n) will work only if MAXPOSEX is +If it is desired to have (X+1)^n expanded where n is greater than +EXPOP then executing EXPAND((X+1)^n) will work only if MAXPOSEX is not less than n. @end defvar 
From: Wolfgang Jenkner <wjenkner@us...>  20020921 02:38:14

Update of /cvsroot/maxima/maxima/src In directory uswprcvs1:/tmp/cvsserv18646 Modified Files: max_ext.lisp Log Message: Enable autoloading for some functions from stopex, facexp, disol, declin and genut (most of which are referenced in the manual). Also intern here some userlevel variables defined in these files in order to avoid case sensitivity problems (e.g., nextlayerfactor:true$ should bind $nextlayerfactor and not $nextlayerfactor). Declaiming them special is more useful than just interning them. Index: max_ext.lisp =================================================================== RCS file: /cvsroot/maxima/maxima/src/max_ext.lisp,v retrieving revision 1.6 retrieving revision 1.7 diff u d r1.6 r1.7  max_ext.lisp 6 Jun 2001 09:13:09 0000 1.6 +++ max_ext.lisp 21 Sep 2002 02:38:11 0000 1.7 @@ 77,10 +77,21 @@ ;; autoload from a .mc file ($auto_mexpr '$gcdex 'gcdex) +($auto_mexpr '$expandwrt "simplification/stopex") +($auto_mexpr '$expandwrt_factored "simplification/stopex") +(declaim (special $expandwrt_denom $expandwrt_nonrat)) +($auto_mexpr '$facsum "simplification/facexp") +($auto_mexpr '$factorfacsum "simplification/facexp") +($auto_mexpr '$collectterms "simplification/facexp") +(declaim (special $nextlayerfactor $facsum_combine)) +($auto_mexpr '$disolate "simplification/disol") +($auto_mexpr '$linsimp "misc/declin") +($auto_mexpr '$declare_linear_operator "misc/declin") +($auto_mexpr '$nonumfactor "simplification/genut") ;;From main source files. (AUTOF '$GET 'maxmac) 
From: Wolfgang Jenkner <wjenkner@us...>  20020921 02:24:52

Update of /cvsroot/maxima/maxima/share/simplification In directory uswprcvs1:/tmp/cvsserv16152 Modified Files: genut.mac Log Message: IFLOPMAP: Treat factors of EXP which are integer powers in exactly the same way as other products. This is relevant for the NEXTLAYERFACTOR switch. For example, facsum(x^2+2*x+1,'nextlayerfactor,[x]) gave the same result as facsum(x^2+2*x+1,[x]). Compare this with facsum(x^2+x,'nextlayerfactor,[x]). Added genut_prodmap in order to deal with this issue. Index: genut.mac =================================================================== RCS file: /cvsroot/maxima/maxima/share/simplification/genut.mac,v retrieving revision 1.2 retrieving revision 1.3 diff u d r1.2 r1.3  genut.mac 27 Aug 2002 22:35:41 0000 1.2 +++ genut.mac 21 Sep 2002 02:24:49 0000 1.3 @@ 161,11 +161,23 @@ else exp)$ IFLOPMAP(op,fun,exp) := + if op="*" + then genut_prodmap(fun,exp) + else if atom(exp) + then exp + else if inpart(exp,0)=op + then map(fun,exp) + else apply(fun,[exp])$ + +genut_prodmap(fun,exp):= if atom(exp) then exp  else if inpart(exp,0)=op  then map(fun,exp)  else apply(fun,[exp])$ + else block([mop:inpart(exp,0)], + if mop="*" + then map(lambda([exp],genut_prodmap(fun,exp)),exp) + else if mop="^" and askinteger(inpart(exp,2))='yes + then substinpart(genut_prodmap(fun,inpart(exp,1)),exp,1) + else apply(fun,[exp]))$ /* Returns a list of the subexpressions of EXP which have one of the operators in OPL as main operator. */ 