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{SECT 0 {SECT 0 {PARA 0 "" 0 "" {TEXT 26 9 "Function:" }{TEXT -1 32 " \+
errorbar - plot with error bars" }}{PARA 0 "" 0 "" {TEXT -1 0 "" }}
{PARA 0 "" 0 "" {TEXT 26 18 "Calling Sequences:" }}{PARA 0 "" 0 "" 
{MPLTEXT 0 21 69 "errorbar([x,y,er], options);\nerrorbar([x,y,erplus,e
rminus], options);" }}{PARA 0 "" 0 "" {MPLTEXT 0 21 21 "errorbar(L, op
tions);" }}{PARA 0 "" 0 "" {TEXT -1 0 "" }}{PARA 0 "" 0 "" {TEXT 26 
11 "Parameters:" }}{PARA 0 "" 0 "" {MPLTEXT 0 21 27 "x,y, er, erplus, \+
erminus - " }{TEXT -1 12 "real numbers" }}{PARA 0 "" 0 "" {MPLTEXT 0 
21 10 "L         " }{TEXT -1 64 "-   a set or list of error bar specif
ications, each in the form " }{MPLTEXT 0 21 10 "[x, y, er]" }{TEXT -1 
4 " or " }}{PARA 0 "" 0 "" {MPLTEXT 0 21 34 "           [x, y, erplus,
 erminus]" }}{PARA 0 "" 0 "" {MPLTEXT 0 21 7 "options" }{TEXT -1 52 " \+
       -  two-dimensional plot options, as well as " }{MPLTEXT 0 21 
10 "horizontal" }{TEXT -1 5 " and " }}{PARA 0 "" 0 "" {MPLTEXT 0 21 
20 "           ticksize=" }{TEXT -1 6 " size." }}}{SECT 0 {PARA 3 "" 
0 "" {TEXT 26 12 "Description:" }}{PARA 15 "" 0 "" {TEXT -1 74 "This c
reates a two-dimensional plot consisting of one or more error bars. " 
}}{PARA 15 "" 0 "" {TEXT -1 12 "In the form " }{MPLTEXT 0 21 18 "error
bar([x,y,er])" }{TEXT -1 39 ", the error bar extends from the point " 
}{MPLTEXT 0 21 8 "[x,y-er]" }{TEXT -1 4 " to " }{MPLTEXT 0 21 8 "[x,y+
er]" }{TEXT -1 62 ".  Thus this form is appropriate for a symmetrical \+
data point " }{MPLTEXT 0 21 6 "y \261 er" }{TEXT -1 1 "." }}{PARA 15 "
" 0 "" {TEXT -1 12 "In the form " }{MPLTEXT 0 21 30 "errorbar([x,y,erp
lus,erminus])" }{TEXT -1 29 ", the error bar extends from " }{MPLTEXT 
0 21 13 "[x,y+erminus]" }{TEXT -1 4 " to " }{MPLTEXT 0 21 12 "[x,y+erp
lus]" }{TEXT -1 21 ".  Normally, one of  " }{MPLTEXT 0 21 6 "erplus" }
{TEXT -1 5 " and " }{MPLTEXT 0 21 7 "erminus" }{TEXT -1 61 " is positi
ve and the other negative, but this is not checked." }}{PARA 15 "" 0 "
" {TEXT -1 14 "If the option " }{MPLTEXT 0 21 10 "horizontal" }{TEXT 
-1 4 " or " }{MPLTEXT 0 21 15 "horizontal=true" }{TEXT -1 84 " is incl
uded, the error bar is horizontal instead of vertical, i.e. it extends
 from " }{MPLTEXT 0 21 8 "[x-er,y]" }{TEXT -1 4 " to " }{MPLTEXT 0 21 
8 "[x+er,y]" }{TEXT -1 4 " or " }{MPLTEXT 0 21 13 "[x+erminus,y]" }
{TEXT -1 4 " to " }{MPLTEXT 0 21 12 "[x+erplus,y]" }{TEXT -1 1 "." }}
{PARA 15 "" 0 "" {TEXT -1 22 "Nothing is plotted at " }{MPLTEXT 0 21 
5 "[x,y]" }{TEXT -1 32 " itself, unless you include the " }{MPLTEXT 0 
21 7 "symbol=" }{TEXT -1 70 " option, which will plot a symbol at that
 point.  Possible values are " }{MPLTEXT 0 21 3 "BOX" }{TEXT -1 2 ", \+
" }{MPLTEXT 0 21 5 "CROSS" }{TEXT -1 2 ", " }{MPLTEXT 0 21 6 "CIRCLE" 
}{TEXT -1 2 ", " }{MPLTEXT 0 21 5 "POINT" }{TEXT -1 5 " and " }
{MPLTEXT 0 21 7 "DIAMOND" }{TEXT -1 6 " (but " }{MPLTEXT 0 21 5 "POINT
" }{TEXT -1 21 " is not very useful)." }}{PARA 15 "" 0 "" {TEXT -1 4 "
The " }{MPLTEXT 0 21 9 "ticksize=" }{TEXT -1 228 " option specifies th
e length of the tick marks at the end of the error bars, in terms of t
he horizontal or vertical distance scale.  Set this to 0 to have no ti
ck marks.  If this option is omitted, a default length will be used." 
}}{PARA 15 "" 0 "" {TEXT -1 45 "As in other plotting commands, the res
ult of " }{MPLTEXT 0 21 8 "errorbar" }{TEXT -1 85 " is a PLOT data str
ucture.  This can be assigned to a variable, saved in a file, etc." }}
{PARA 15 "" 0 "" {TEXT -1 106 "This function is part of the Maple Advi
sor Database library, and must be loaded before use by the command " }
{MPLTEXT 0 21 18 "readlib(errorbar);" }{TEXT -1 1 "." }}}{SECT 0 
{PARA 3 "" 0 "" {TEXT 26 9 "Examples:" }}{EXCHG {PARA 0 "> " 0 "" 
{MPLTEXT 1 0 18 "readlib(errorbar):" }}}{EXCHG {PARA 0 "> " 0 "" 
{MPLTEXT 1 0 38 "errorbar([seq([i,i^2,10/i],i=1..10)]);" }}}{EXCHG 
{PARA 0 "> " 0 "" {MPLTEXT 1 0 69 "errorbar([seq([i,i^2,-15/i,10/i],i=
1..10)],symbol=circle,colour=red);" }}}{EXCHG {PARA 0 "> " 0 "" 
{MPLTEXT 1 0 74 "errorbar([seq([i,i^2,2/i],i=1..10)],symbol=diamond,ho
rizontal,ticksize=5);" }}}}{SECT 0 {PARA 0 "" 0 "" {TEXT 26 9 "See als
o:" }{TEXT -1 1 " " }{HYPERLNK 17 "plot[options]" 2 "plot,options" "" 
}{TEXT -1 2 ", " }{HYPERLNK 17 "plot[structure]" 2 "plot,structure" "
" }}}{SECT 0 {PARA 0 "" 0 "" {TEXT 26 22 "Maple Advisor Database" }
{TEXT -1 17 "  R. Israel, 1997" }}}}{MARK "3 0 0" 0 }{VIEWOPTS 1 1 0 
1 1 1803 }