Mercurial > hg > octave-lyh
annotate scripts/plot/errorbar.m @ 10591:eca2af8a92bc
errorbar.m: Modify demo.
| author | Ben Abbott <bpabbott@mac.com> |
|---|---|
| date | Thu, 29 Apr 2010 08:00:42 -0400 |
| parents | b6364a88de06 |
| children | a4f482e66b65 |
| rev | line source |
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| 9245 | 1 ## Copyright (C) 2000, 2001, 2002, 2004, 2005, 2006, 2007, 2008, |
| 2 ## 2009 Teemu Ikonen | |
| 3718 | 3 ## |
| 4 ## This file is part of Octave. | |
| 5 ## | |
| 6 ## Octave is free software; you can redistribute it and/or modify it | |
| 7 ## under the terms of the GNU General Public License as published by | |
| 7016 | 8 ## the Free Software Foundation; either version 3 of the License, or (at |
| 9 ## your option) any later version. | |
| 3718 | 10 ## |
| 11 ## Octave is distributed in the hope that it will be useful, but | |
| 12 ## WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 14 ## General Public License for more details. | |
| 15 ## | |
| 16 ## You should have received a copy of the GNU General Public License | |
| 7016 | 17 ## along with Octave; see the file COPYING. If not, see |
| 18 ## <http://www.gnu.org/licenses/>. | |
| 3718 | 19 |
| 20 ## -*- texinfo -*- | |
| 21 ## @deftypefn {Function File} {} errorbar (@var{args}) | |
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22 ## This function produces two-dimensional plots with errorbars. Many |
| 3718 | 23 ## different combinations of arguments are possible. The simplest form is |
| 24 ## | |
| 25 ## @example | |
| 26 ## errorbar (@var{y}, @var{ey}) | |
| 27 ## @end example | |
| 28 ## | |
| 29 ## @noindent | |
| 30 ## where the first argument is taken as the set of @var{y} coordinates | |
| 31 ## and the second argument @var{ey} is taken as the errors of the | |
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32 ## @var{y} values. @var{x} coordinates are taken to be the indices |
| 3718 | 33 ## of the elements, starting with 1. |
| 34 ## | |
| 35 ## If more than two arguments are given, they are interpreted as | |
| 36 ## | |
| 37 ## @example | |
| 6701 | 38 ## errorbar (@var{x}, @var{y}, @dots{}, @var{fmt}, @dots{}) |
| 3718 | 39 ## @end example |
| 40 ## | |
| 41 ## @noindent | |
| 42 ## where after @var{x} and @var{y} there can be up to four error | |
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43 ## parameters such as @var{ey}, @var{ex}, @var{ly}, @var{uy}, etc., |
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44 ## depending on the plot type. Any number of argument sets may appear, |
| 3718 | 45 ## as long as they are separated with a format string @var{fmt}. |
| 46 ## | |
| 47 ## If @var{y} is a matrix, @var{x} and error parameters must also be matrices | |
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48 ## having same dimensions. The columns of @var{y} are plotted versus the |
| 3718 | 49 ## corresponding columns of @var{x} and errorbars are drawn from |
| 50 ## the corresponding columns of error parameters. | |
| 51 ## | |
| 6895 | 52 ## If @var{fmt} is missing, yerrorbars ("~") plot style is assumed. |
| 53 ## | |
| 3718 | 54 ## If the @var{fmt} argument is supplied, it is interpreted as in |
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55 ## normal plots. In addition the following plot styles are supported by |
| 6895 | 56 ## errorbar: |
| 3718 | 57 ## |
| 58 ## @table @samp | |
| 59 ## @item ~ | |
| 60 ## Set yerrorbars plot style (default). | |
| 61 ## | |
| 62 ## @item > | |
| 63 ## Set xerrorbars plot style. | |
| 64 ## | |
| 65 ## @item ~> | |
| 66 ## Set xyerrorbars plot style. | |
| 67 ## | |
| 68 ## @item # | |
| 69 ## Set boxes plot style. | |
| 70 ## | |
| 71 ## @item #~ | |
| 72 ## Set boxerrorbars plot style. | |
| 73 ## | |
| 74 ## @item #~> | |
| 75 ## Set boxxyerrorbars plot style. | |
| 76 ## @end table | |
| 77 ## | |
| 78 ## Examples: | |
| 79 ## | |
| 80 ## @example | |
| 6895 | 81 ## errorbar (@var{x}, @var{y}, @var{ex}, ">") |
| 3718 | 82 ## @end example |
| 83 ## | |
| 6895 | 84 ## produces an xerrorbar plot of @var{y} versus @var{x} with @var{x} |
| 85 ## errorbars drawn from @var{x}-@var{ex} to @var{x}+@var{ex}. | |
| 3718 | 86 ## |
| 87 ## @example | |
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88 ## @group |
| 6895 | 89 ## errorbar (@var{x}, @var{y1}, @var{ey}, "~", |
| 90 ## @var{x}, @var{y2}, @var{ly}, @var{uy}) | |
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91 ## @end group |
| 3718 | 92 ## @end example |
| 93 ## | |
| 6895 | 94 ## produces yerrorbar plots with @var{y1} and @var{y2} versus @var{x}. |
| 3718 | 95 ## Errorbars for @var{y1} are drawn from @var{y1}-@var{ey} to |
| 96 ## @var{y1}+@var{ey}, errorbars for @var{y2} from @var{y2}-@var{ly} to | |
| 97 ## @var{y2}+@var{uy}. | |
| 98 ## | |
| 99 ## @example | |
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100 ## @group |
| 6895 | 101 ## errorbar (@var{x}, @var{y}, @var{lx}, @var{ux}, |
| 102 ## @var{ly}, @var{uy}, "~>") | |
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103 ## @end group |
| 3718 | 104 ## @end example |
| 105 ## | |
| 6895 | 106 ## produces an xyerrorbar plot of @var{y} versus @var{x} in which |
| 107 ## @var{x} errorbars are drawn from @var{x}-@var{lx} to @var{x}+@var{ux} | |
| 108 ## and @var{y} errorbars from @var{y}-@var{ly} to @var{y}+@var{uy}. | |
| 109 ## @seealso{semilogxerr, semilogyerr, loglogerr} | |
| 3718 | 110 ## @end deftypefn |
| 111 | |
| 112 ## Created: 18.7.2000 | |
| 113 ## Author: Teemu Ikonen <tpikonen@pcu.helsinki.fi> | |
| 114 ## Keywords: errorbar, plotting | |
| 115 | |
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116 function retval = errorbar (varargin) |
| 3718 | 117 |
| 7207 | 118 [h, varargin] = __plt_get_axis_arg__ ("errorbar", varargin{:}); |
| 7216 | 119 |
| 7207 | 120 oldh = gca (); |
| 121 unwind_protect | |
| 122 axes (h); | |
| 123 newplot (); | |
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124 |
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125 tmp = __errcomm__ ("errorbar", h, varargin{:}); |
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126 |
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127 if (nargout > 0) |
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128 retval = tmp; |
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129 endif |
| 7207 | 130 unwind_protect_cleanup |
| 131 axes (oldh); | |
| 132 end_unwind_protect | |
| 3718 | 133 |
| 134 endfunction | |
| 8258 | 135 |
| 136 %!demo | |
| 137 %! errorbar(0:10,rand(1,11),0.25*rand(1,11)) | |
| 138 | |
| 139 %!demo | |
| 140 %! errorbar(0:10,rand(1,11),rand(1,11), ">") | |
| 10589 | 141 |
| 142 %!demo | |
| 143 %! x = 0:0.5:2*pi; | |
| 144 %! err = x/100; | |
| 145 %! y1 = sin (x); | |
| 146 %! y2 = cos (x); | |
| 147 %! hg = errorbar (x, y1, err, "~", x, y2, err, ">"); | |
| 148 | |
| 149 %!demo | |
| 150 %! x = 0:0.5:2*pi; | |
| 151 %! err = x/100; | |
| 152 %! y1 = sin (x); | |
| 153 %! y2 = cos (x); | |
| 154 %! hg = errorbar (x, y1, err, err, "#", x, y2, err, err, "#~"); | |
| 155 | |
| 156 %!demo | |
| 157 %! x = 0:0.5:2*pi; | |
| 158 %! err = x/100; | |
| 159 %! y1 = sin (x); | |
| 160 %! y2 = cos (x); | |
| 161 %! hg = errorbar (x, y1, err, err, err, err, "~>", ... | |
| 162 %! x, y2, err, err, err, err, "#~>"); | |
| 10591 | 163 %! set (hg(2), "marker", "*") |
| 10589 | 164 |