{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 12 "with(plots):" }}}
{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 10 "z:=sin(t);" }}{PARA 11 "" 1 
"" {XPPMATH 20 "6#>%\"zG-%$sinG6#%\"tG" }}}{EXCHG {PARA 0 "> " 0 "" 
{MPLTEXT 1 0 12 "r:=3+cos(t);" }}{PARA 11 "" 1 "" {XPPMATH 20 "6#>%\"r
G,&\"\"$\"\"\"-%$cosG6#%\"tGF'" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 
1 0 12 "x:=r*cos(s);" }}{PARA 11 "" 1 "" {XPPMATH 20 "6#>%\"xG*&,&\"\"
$\"\"\"-%$cosG6#%\"tGF(F(-F*6#%\"sGF(" }}}{EXCHG {PARA 0 "> " 0 "" 
{MPLTEXT 1 0 12 "y:=r*sin(s);" }}{PARA 11 "" 1 "" {XPPMATH 20 "6#>%\"y
G*&,&\"\"$\"\"\"-%$cosG6#%\"tGF(F(-%$sinG6#%\"sGF(" }}}{EXCHG {PARA 0 
"> " 0 "" {MPLTEXT 1 0 9 "s:=2*t/5;" }}{PARA 11 "" 1 "" {XPPMATH 20 "6
#>%\"sG,$%\"tG#\"\"#\"\"&" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 
95 "a:=tubeplot([x,y,z],t=0..10*Pi,radius=0.7,scaling=constrained,grid
=[200,20],lightmodel=light3):" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 
0 16 "with(plottools):" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 83 "v
rml(a,\"h:/data/chuan/vrml/2-5knot.wrl\",background_color=COLOR(RGB,0.
43,0.35,0.5));" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 0 "" }}}}
{MARK "9 0 0" 0 }{VIEWOPTS 1 1 0 1 1 1803 }