{VERSION 4 0 "IBM INTEL NT" "4.0" } {USTYLETAB {CSTYLE "Maple Input" -1 0 "Courier" 0 1 255 0 0 1 0 1 0 0 1 0 0 0 0 1 }{CSTYLE "2D Math" -1 2 "Times" 0 1 0 0 0 0 0 0 2 0 0 0 0 0 0 1 }{CSTYLE "Hyperlink" -1 17 "" 0 1 0 128 128 1 0 0 1 0 0 0 0 0 0 1 }{CSTYLE "2D Output" 2 20 "" 0 1 0 0 255 1 0 0 0 0 0 0 0 0 0 1 } {CSTYLE "" 0 21 "" 0 1 0 0 0 1 0 0 0 0 2 0 0 0 0 1 }{CSTYLE "Help Head ing" -1 26 "" 1 14 0 0 0 0 0 1 0 0 0 0 0 0 0 1 }{PSTYLE "Normal" -1 0 1 {CSTYLE "" -1 -1 "" 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 }0 0 0 -1 -1 -1 0 0 0 0 0 0 -1 0 }{PSTYLE "Text Output" -1 2 1 {CSTYLE "" -1 -1 "Couri er" 1 10 0 0 255 1 0 0 0 0 0 1 3 0 0 1 }1 0 0 -1 -1 -1 0 0 0 0 0 0 -1 0 }{PSTYLE "Heading 1" 0 3 1 {CSTYLE "" -1 -1 "" 1 18 0 0 0 0 0 1 0 0 0 0 0 0 0 1 }1 0 0 0 6 6 0 0 0 0 0 0 -1 0 }{PSTYLE "Warning" 2 7 1 {CSTYLE "" -1 -1 "" 0 1 0 0 255 1 0 0 0 0 0 0 1 0 0 1 }0 0 0 -1 -1 -1 0 0 0 0 0 0 -1 0 }{PSTYLE "Error" 7 8 1 {CSTYLE "" -1 -1 "" 0 1 255 0 255 1 0 0 0 0 0 0 0 0 0 1 }0 0 0 -1 -1 -1 0 0 0 0 0 0 -1 0 }{PSTYLE "M aple Output" 0 11 1 {CSTYLE "" -1 -1 "" 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 }3 3 0 -1 -1 -1 0 0 0 0 0 0 -1 0 }} {SECT 0 {SECT 0 {PARA 0 "" 0 "" {TEXT 26 6 "Error:" }{TEXT -1 44 " va riables must be unique and of type name\n" }}{PARA 0 "" 0 "" {TEXT -1 21 "This error occurs in " }{MPLTEXT 0 21 7 "unapply" }{TEXT -1 296 ", which is used to make an expression into a function of one or more va riables. The first argument must be the expression, and the other arg uments are the variables. This error occurs if the \"variable\" argum ents are not all names (indexed names are OK), or if two of those vari ables are equal. " }}{PARA 0 "" 0 "" {TEXT -1 0 "" }}{PARA 0 "" 0 "" {TEXT -1 22 "Like most procedures, " }{MPLTEXT 0 21 7 "unapply" } {TEXT -1 183 " begins by evaluating its arguments. Therefore if a var iable has been assigned a value, it will be replaced by that value. I f the value is not a name, the result will be this error." }}}{SECT 0 {PARA 3 "" 0 "" {TEXT 26 9 "Examples:" }}{PARA 0 "" 0 "" {TEXT -1 42 " Second argument an expression, not a name:" }}{EXCHG {PARA 0 "> " 0 " " {MPLTEXT 1 0 23 "unapply((x+1)^2+1,x+1);" }}{PARA 8 "" 1 "" {TEXT -1 62 "Error, (in unapply) variables must be unique and of type name\n " }}}{PARA 0 "" 0 "" {TEXT -1 54 "In this case, you could use the repl acement procedure " }{MPLTEXT 0 21 7 "vnapply" }{TEXT -1 12 " instead \+ of " }{MPLTEXT 0 21 7 "unapply" }{TEXT -1 1 "." }}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 23 "vnapply((x+1)^2+1,x+1);" }}{PARA 11 "" 1 "" {XPPMATH 20 "6#R6#%#y1G6\"6$%)operatorG%&arrowGF&,&*$)9$\"\"#\"\"\"F/F /F/F&F&F&" }}}{PARA 0 "" 0 "" {TEXT -1 29 "Variable is assigned a valu e:" }}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 26 "p:= x+1:\nunapply(p^2+ 1,p);" }}{PARA 8 "" 1 "" {TEXT -1 61 "Error, (in unapply) variables mu st be unique and of type name" }}}{PARA 0 "" 0 "" {TEXT -1 53 "This co uld be fixed using quotes to delay evaluation." }}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 21 "unapply('p^2+1','p');" }}{PARA 11 "" 1 "" {XPPMATH 20 "6#R6#%\"pG6\"6$%)operatorG%&arrowGF&,&*$)9$\"\"#\"\"\"F/F /F/F&F&F&" }}}{PARA 0 "" 0 "" {TEXT -1 29 "Two variable arguments equa l:" }}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 19 "unapply(x^2+1,x,x);" } }{PARA 8 "" 1 "" {TEXT -1 62 "Error, (in unapply) variables must be un ique and of type name\n" }}}}{SECT 0 {PARA 0 "" 0 "" {TEXT 26 9 "See a lso:" }{TEXT -1 3 " " }{HYPERLNK 17 "name" 2 "name" "" }{TEXT -1 2 " , " }{HYPERLNK 17 "quotes" 2 "uneval" "" }{TEXT -1 1 "," }{HYPERLNK 17 " unapply" 2 "unapply" "" }{TEXT -1 2 ", " }{HYPERLNK 17 "vnapply" 2 "vnapply" "" }{TEXT -1 1 " " }}}{SECT 0 {PARA 0 "" 0 "" {TEXT 26 22 "Maple Advisor Database" }{TEXT -1 18 " R. Israel, 1998" }}}{PARA 0 "" 0 "" {TEXT -1 0 "" }}}{MARK "2 0 0" 4 }{VIEWOPTS 1 1 0 1 1 1803 1 1 1 1 }{PAGENUMBERS 0 1 2 33 1 1 }