{VERSION 3 0 "IBM INTEL NT" "3.0" } {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 "2D Output" 2 20 "" 0 1 0 0 255 1 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 "Maple Output" 0 11 1 {CSTYLE "" -1 -1 "" 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 }3 3 0 -1 -1 -1 0 0 0 0 0 0 -1 0 }} {SECT 0 {EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 28 "with(plots):with(plo ttools):" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 46 "x := (4 * cos(m u + Pi)) / 3 + 2 * cos(3 * mu);" }}{PARA 11 "" 1 "" {XPPMATH 20 "6#>% \"xG,&-%$cosG6#%#muG#!\"%\"\"$-F'6#,$F)F,\"\"#" }}}{EXCHG {PARA 0 "> \+ " 0 "" {MPLTEXT 1 0 39 "y := 4 * sin(mu) / 3 + 2 * sin(3 * mu);" }} {PARA 11 "" 1 "" {XPPMATH 20 "6#>%\"yG,&-%$sinG6#%#muG#\"\"%\"\"$-F'6# ,$F)F,\"\"#" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 35 "z := sin(4 * mu) + sin(2 * mu) / 2;" }}{PARA 11 "" 1 "" {XPPMATH 20 "6#>%\"zG,&-%$ sinG6#,$%#muG\"\"%\"\"\"-F'6#,$F*\"\"##F,F0" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 77 "h:=tubeplot([x,y,z],mu=0..2*Pi,radius=0.2,scaling= constrained,grid=[100,20]):" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 59 "vrml(h,\"f:/data/chuan/vrml/n4.wrl\",background_color=white);" }}} }{MARK "6" 0 }{VIEWOPTS 1 1 0 1 1 1803 }