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206 gnuplot 4.3 78 Gnuplot limitations Floating point exceptions (floating point number too large/small, divide by zero, etc.) may occasionally be generated by user defined functions. Some of the demos in particular may cause numbers to exceed the floating point range. Whether the system ignores such exceptions (in which case gnuplot labels the corresponding point as undefined) or aborts gnuplot depends on the compiler/runtime environment. The gamma and bessel functions do not work for complex arguments. If a command line contains a "load" command, then anything on the line after the "load " is ignored. Only one color palette at a time is active for any given x11 plot window. This means that multiplots whose constituent plots use different palettes will not display correctly in x11. Coordinates specified as "time" wrap at 24 hours, and have a precision limited to 1 second. This is in particular a limitation in using time format to handle geographic coordinates. Error bars are not handled properly in polar/spherical coordinate plot modes. The ’nohidden3d’ option that is supposed to exempt individual plots from the global property ’set hidden3d’ does not work for parametric curves. 79 Specific terminals Some older models of HP plotters do not have a page eject command ’PG’. The current HPGL driver uses this command in HPGL reset. This may need to be removed for these plotters. The current PCL5 driver uses HPGL/2 for text as well as graphics. This should be modified to use scalable PCL fonts. 80 External libraries External library GD (used by PNG/JPEG/GIF drivers): Versions of libgd through 2.0.33 contain various bugs in mapping the characters of Adobe’s Symbol font. Also it is possible to trigger a library segfault if an anti-aliased line crosses an upper corner of the canvas. External library PDFlib (used by PDF driver): Gnuplot can be linked against libpdf versions 4, 5, or 6. However, these versions differ in their handling of piped I/O. Therefore gnuplot scripts using piped output to PDF may work only for some versions of PDFlib. External library svgalib (used by linux and vgagl driver): Requires gnuplot to be suid root (bad!) and has many bugs that are specific to the video card or graphics driver used in X11. Internationalization (locale settings): Gnuplot uses the C runtime library routine setlocale() to control locale-specific formatting of input and output number, times, and date strings. The locales available, and the level of support for locale features such as "thousands’ grouping separator", depend on the internationalization support provided by your individual machine. Part VII Index
Index .gnuplot, 36 abs, 27 acos, 27 acosh, 27 acsplines, 72 aed512, 155 aed767, 155 aifm, 155 amiga, 155 angles, 85, 127 apollo, 155 Aqua, 156 aqua, 156 arg, 27 arrow, 21, 85 arrowstyle, 50, 130 ascii, 152 asin, 27 asinh, 27 atan, 27 atan2, 27 atanh, 27 atari, 156 automated, 47 autoscale, 78, 87 avs, 68 axes, 24, 31, 35, 64 backquotes, 37 bars, 42, 44, 50–52, 76, 77, 88 batch/interactive, 15, 22, 55, 62, 84 BE, 156 be, 156 besj0, 27 besj1, 27 bessel, 206 besy0, 27 besy1, 27 bezier, 72 binary, 17, 21, 66, 68, 96, 152 binary examples, 69 bind, 20, 33, 114 bitgraph, 192 bitwise operators, 29 bmargin, 89 border, 89, 104, 136 boxerrorbars, 21, 40, 90 boxes, 21, 41, 42, 90 boxwidth, 90 boxxyerrorbars, 21, 42 branch, 60 bugs, 205 call, 54, 62, 74 candlesticks, 21, 42, 44 canvas, 19 cbdata, 147 cbdtics, 147 cblabel, 149 cbmtics, 149 cbrange, 20, 32, 33, 119, 121, 133, 149 cbtics, 149 cd, 53 ceil, 27 cgi, 159 cgm, 159 clabel, 91, 93, 94, 107 clear, 54 clip, 50, 91 cntrparam, 36, 92, 94, 129, 153 color resources, 203 colorbox, 20, 33, 93, 119–121, 149 colornames, 32, 33, 126, 133 colors, 31, 32, 80, 123, 124, 133 colorspec, 17, 32, 109, 128, 133, 134, 138 column, 28 command line editing, 22 command line options, 202 command-line-editing, 83 command-line-options, 35 commands, 53 comments, 16, 23, 62 commentschars, 23, 96 compatibility, 19 contour, 36, 53, 91, 93, 94, 104, 134, 153 coordinates, 24, 86, 108–110, 117, 128, 131, 136, 138, 141, 144 copyright, 15 corel, 162 cos, 27 cosh, 27 csplines, 72 data, 49, 64, 94 data file, 64 datafile, 21, 22, 35, 55, 64, 94, 104, 153 datastrings, 18, 24, 49, 75 date specifiers, 102 debug, 162 decimalsign, 22, 97, 99, 101, 111 defined, 28 degrees, 85 depthorder, 52, 120, 121 dgrid3d, 97, 129, 134, 153 dospc, 162 dots, 43 dumb, 162 dummy, 87, 98
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gnuplot An Interactive Plotting Pro
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CONTENTS gnuplot 4.3 3 6.5 New plot
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CONTENTS gnuplot 4.3 5 40 Rgbimage
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CONTENTS gnuplot 4.3 7 60.2.9.5 Y2t
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CONTENTS gnuplot 4.3 9 70.47 Parame
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CONTENTS gnuplot 4.3 11 70.115Zrang
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CONTENTS gnuplot 4.3 13 77.44 Mif .
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2 INTRODUCTION gnuplot 4.3 15 Part
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4 NEW FEATURES INTRODUCED IN VERSIO
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5 BACKWARDS COMPATIBILITY gnuplot 4
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6 FEATURES INTRODUCED IN VERSIONgnu
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9 COMMENTS gnuplot 4.3 23 (The read
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13 EXPRESSIONS gnuplot 4.3 25 12 En
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13 EXPRESSIONS gnuplot 4.3 27 Math
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13 EXPRESSIONS gnuplot 4.3 29 The f
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15 LINETYPE, COLORS, AND STYLES gnu
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16 MOUSE INPUT gnuplot 4.3 33 rgbco
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17 PLOTTING gnuplot 4.3 35 16.1.1 B
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20 SUBSTITUTION AND COMMAND LINE gn
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22 TIME/DATE DATA gnuplot 4.3 39 At
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24 BOXES gnuplot 4.3 41 The boxwidt
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28 FILLEDCURVES gnuplot 4.3 43 . No
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32 HISTOGRAMS gnuplot 4.3 45 The fs
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33 IMAGE gnuplot 4.3 47 This will p
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39 STEPS gnuplot 4.3 49 The labels
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46 XYERRORLINES gnuplot 4.3 51 The
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49 CD gnuplot 4.3 53 The splot comm
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53 FIT gnuplot 4.3 55 If input stre
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53 FIT gnuplot 4.3 57 z=a*sin(c*x)
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53 FIT gnuplot 4.3 59 the statistic
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55 HISTORY gnuplot 4.3 61 good star
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59 PAUSE gnuplot 4.3 63 load ’wor
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60 PLOT gnuplot 4.3 65 plot ’’
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60 PLOT gnuplot 4.3 67 The keyword
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60 PLOT gnuplot 4.3 69 60.2.2.6.4 F
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60 PLOT gnuplot 4.3 71 # Gnu popula
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60 PLOT gnuplot 4.3 73 The special
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60 PLOT gnuplot 4.3 75 In this exam
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60 PLOT gnuplot 4.3 77 60.4 Errorli
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60 PLOT gnuplot 4.3 79 Example: fil
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61 PRINT gnuplot 4.3 81 Examples: T
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67 REREAD gnuplot 4.3 83 Arguments
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70 SET-SHOW gnuplot 4.3 85 If a var
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70 SET-SHOW gnuplot 4.3 87 To draw
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70 SET-SHOW gnuplot 4.3 89 set bars
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70 SET-SHOW gnuplot 4.3 91 set boxw
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70 SET-SHOW gnuplot 4.3 93 If the c
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70 SET-SHOW gnuplot 4.3 95 70.14 Da
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70 SET-SHOW gnuplot 4.3 97 Examples
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70 SET-SHOW gnuplot 4.3 99 set dumm
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70 SET-SHOW gnuplot 4.3 101 termina
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70 SET-SHOW gnuplot 4.3 103 Suppose
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70 SET-SHOW gnuplot 4.3 105 Bit 2 f
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70 SET-SHOW gnuplot 4.3 107 Justifi
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70 SET-SHOW gnuplot 4.3 109 point s
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70 SET-SHOW gnuplot 4.3 111 70.30 L
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70 SET-SHOW gnuplot 4.3 113 The key
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70 SET-SHOW gnuplot 4.3 115 Any lab
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70 SET-SHOW gnuplot 4.3 117 70.44 O
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70 SET-SHOW gnuplot 4.3 119 Files:
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70 SET-SHOW gnuplot 4.3 121 splot x
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70 SET-SHOW gnuplot 4.3 123 ). http
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70 SET-SHOW gnuplot 4.3 125 70.50.3
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70 SET-SHOW gnuplot 4.3 127 70.52 P
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70 SET-SHOW gnuplot 4.3 129 70.57 S
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70 SET-SHOW gnuplot 4.3 131 they ma
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70 SET-SHOW gnuplot 4.3 133 plot f1
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70 SET-SHOW gnuplot 4.3 135 set tab
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70 SET-SHOW gnuplot 4.3 137 termina
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70 SET-SHOW gnuplot 4.3 139 show ve
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70 SET-SHOW gnuplot 4.3 141 70.86 X
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70 SET-SHOW gnuplot 4.3 143 Ranges
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70 SET-SHOW gnuplot 4.3 145 set xti
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70 SET-SHOW gnuplot 4.3 147 70.100
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71 SHELL gnuplot 4.3 149 70.116 Zti
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72 SPLOT gnuplot 4.3 151 Single bla
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72 SPLOT gnuplot 4.3 153 allows to
Page 155 and 156: 77 TERMINAL gnuplot 4.3 155 Part IV
Page 157 and 158: 77 TERMINAL gnuplot 4.3 157 Plot wi
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Page 161 and 162: 77 TERMINAL gnuplot 4.3 161 Example
Page 163 and 164: 77 TERMINAL gnuplot 4.3 163 120x80
Page 165 and 166: 77 TERMINAL gnuplot 4.3 165 {dashle
Page 167 and 168: 77 TERMINAL gnuplot 4.3 167 Use Hel
Page 169 and 170: 77 TERMINAL gnuplot 4.3 169 Availab
Page 171 and 172: 77 TERMINAL gnuplot 4.3 171 which u
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Page 175 and 176: 77 TERMINAL gnuplot 4.3 175 file, o
Page 177 and 178: 77 TERMINAL gnuplot 4.3 177 77.42 M
Page 179 and 180: 77 TERMINAL gnuplot 4.3 179 set ter
Page 181 and 182: 77 TERMINAL gnuplot 4.3 181 The adv
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Page 185 and 186: 77 TERMINAL gnuplot 4.3 185 If you
Page 187 and 188: 77 TERMINAL gnuplot 4.3 187 ’abc&
Page 189 and 190: 77 TERMINAL gnuplot 4.3 189 If the
Page 191 and 192: 77 TERMINAL gnuplot 4.3 191 PSTrick
Page 193 and 194: 77 TERMINAL gnuplot 4.3 193 Syntax:
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Page 197 and 198: 77 TERMINAL gnuplot 4.3 197 Print..
Page 199 and 200: 77 TERMINAL gnuplot 4.3 199 Syntax:
Page 201 and 202: 77 TERMINAL gnuplot 4.3 201 The opt
Page 203 and 204: 77 TERMINAL gnuplot 4.3 203 77.76.4
Page 205: gnuplot 4.3 205 gnuplot*maxcolors:
Page 209 and 210: INDEX gnuplot 4.3 209 isosamples, 3
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