{VERSION 2 3 "IBM INTEL NT" "2.3" } {USTYLETAB {CSTYLE "Maple Input" -1 0 "Courier" 0 1 255 0 0 1 0 1 0 0 1 0 0 0 0 }{CSTYLE "2D Math" -1 2 "Times" 0 1 0 0 0 0 0 0 2 0 0 0 0 0 0 }{CSTYLE "Hyperlink" -1 17 "" 0 1 0 128 128 1 0 0 1 0 0 0 0 0 0 } {CSTYLE "2D Comment" 2 18 "" 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 }{CSTYLE " " 0 21 "" 0 1 0 0 0 1 0 0 0 0 2 0 0 0 0 }{CSTYLE "Help Heading" -1 26 "" 1 14 0 0 0 0 0 1 0 0 0 0 0 0 0 }{CSTYLE "Help Normal" -1 30 "Times " 1 12 0 0 0 0 0 0 0 0 0 0 0 0 0 }{PSTYLE "Normal" -1 0 1 {CSTYLE "" -1 -1 "" 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 }0 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 0 0 0 6 6 0 0 0 0 0 0 -1 0 }{PSTYLE "Bullet Item" 0 15 1 {CSTYLE "" -1 -1 "" 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 }0 0 0 -1 3 3 0 0 0 0 0 0 15 2 }} {SECT 0 {SECT 0 {PARA 0 "" 0 "" {TEXT 26 10 "Function: " }{TEXT 30 57 "arrow2d - plot an arrow as a line with a triangular head." }}{PARA 0 "" 0 "" {TEXT 26 17 "Calling sequence:" }{TEXT -1 1 " " }}{PARA 0 "" 0 "" {MPLTEXT 0 21 19 "arrow2d(base,vect);" }{TEXT -1 1 "\n" }{TEXT 26 11 "Parameters:" }{TEXT -1 1 " " }}{PARA 0 "" 0 "" {TEXT -1 3 " \+ " }{MPLTEXT 0 21 4 "base" }{TEXT -1 50 " - base of the arrow, a 2D poi nt ( list or vector)" }}{PARA 0 "" 0 "" {TEXT -1 3 " " }{MPLTEXT 0 21 4 "vect" }{TEXT -1 57 " - displacement (tip - base), a 2D point (li st or vector)" }}{PARA 0 "" 0 "" {TEXT -1 23 " Optional arguments: \+ " }}{PARA 15 "" 0 "" {MPLTEXT 0 21 13 " scalefactor=" }{TEXT -1 1 " " }{XPPEDIT 18 0 "s" "I\"sG6\"" }{TEXT -1 37 " to multiply length by rea l constant " }{XPPEDIT 18 0 "s" "I\"sG6\"" }{TEXT -1 1 "." }}{PARA 15 "" 0 "" {MPLTEXT 0 21 11 " thickness=" }{TEXT -1 1 " " }{XPPEDIT 18 0 "n" "I\"nG6\"" }{TEXT -1 35 " for thickness of the arrow shaft (" } {XPPEDIT 18 0 "n" "I\"nG6\"" }{TEXT -1 39 " should be 0, 1, 2 or 3, de fault is 3)." }}{PARA 15 "" 0 "" {TEXT -1 3 " " }{MPLTEXT 0 21 7 "co lour=" }{TEXT -1 1 " " }{XPPEDIT 18 0 "c" "I\"cG6\"" }{TEXT -1 42 " to specify arrow colour (default is red)." }}{PARA 15 "" 0 "" {TEXT -1 24 " other 2D plot options" }}}{SECT 0 {PARA 3 "" 0 "" {TEXT 26 12 " Description:" }}{PARA 15 "" 0 "" {TEXT -1 84 "This function creates a \+ 2D plot data object which, when displayed, is an arrow from " } {MPLTEXT 0 21 4 "base" }{TEXT -1 4 " to " }{MPLTEXT 0 21 9 "base+vect " }{TEXT -1 5 " (or " }{MPLTEXT 0 21 11 "base+s*vect" }{TEXT -1 16 " i f the option " }{MPLTEXT 0 21 13 "scalefactor=s" }{TEXT -1 16 " is sp ecified). " }}{PARA 15 "" 0 "" {TEXT -1 18 "For an arrow from " } {MPLTEXT 0 21 4 "base" }{TEXT -1 4 " to " }{MPLTEXT 0 21 3 "tip" } {TEXT -1 6 ", use " }{MPLTEXT 0 21 22 "arrow2d(base,tip-base)" }{TEXT -1 1 "." }}{PARA 15 "" 0 "" {TEXT -1 18 "Unless the option " } {MPLTEXT 0 21 19 "scaling=constrained" }{TEXT -1 127 " (\"Projection, \+ Constrained\" on the plot menu or \"1-1\" on the context bar) is used, the shape of the arrowhead may be distorted." }}{PARA 15 "" 0 "" {TEXT -1 43 "While it is mainly provided for use by the " }{MPLTEXT 0 21 10 "curvarrows" }{TEXT -1 130 " function, this function can be used on its own. Its result would usually be combined with other plot str uctures by the function " }{MPLTEXT 0 21 7 "display" }{TEXT -1 10 " fr om the " }{MPLTEXT 0 21 5 "plots" }{TEXT -1 9 " package." }}{PARA 15 " " 0 "" {TEXT -1 37 "This function is part of the package " }{MPLTEXT 0 21 8 "surfarro" }{TEXT -1 85 " in the Maple Advisor Database library , and must be loaded before use by the command " }{MPLTEXT 0 21 15 "wi th(surfarro);" }{TEXT -1 4 " or " }{MPLTEXT 0 21 23 "with(surfarro,arr ow2d);" }{TEXT -1 1 "." }}}{PARA 0 "" 0 "" {TEXT -1 0 "" }}{SECT 0 {PARA 3 "" 0 "" {TEXT 26 9 "Examples:" }}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 23 "with(surfarro,arrow2d):" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 204 "a1:= arrow2d([0,0],[1,0]):\na2:= arrow2d([1,0],[0,1] -[1,0]):\na3:= arrow2d([0,1],[0,-1],scalefactor=1/2):\na4:= arrow2d([0 ,0],[0,1/2],colour=blue):\nplots[display](\{a1,a2,a3,a4\},scaling=cons trained,axes=box);" }}}{PARA 0 "" 0 "" {TEXT -1 0 "" }}}{SECT 0 {PARA 0 "" 0 "" {TEXT 26 9 "See also:" }{TEXT -1 1 " " }{HYPERLNK 17 "arrow3 d" 2 "arrow3d" "" }{TEXT -1 3 ", " }{HYPERLNK 17 "curvarrows" 2 "curv arrows" "" }{TEXT -1 2 ", " }{HYPERLNK 17 "display" 2 "plots,display" "" }}}{PARA 0 "" 0 "" {TEXT -1 0 "" }}{SECT 0 {PARA 0 "" 0 "" {TEXT 26 22 "Maple Advisor Database" }{TEXT -1 18 " R. Israel, 1998\n" }}}} {MARK "5 0" 0 }{VIEWOPTS 1 1 0 1 1 1803 }