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doc: Rewrite docstrings for most plot functions. Emphasize clarity, use common "voice", and increase density of seealso links. * doc/interpreter/plot.txi: Add @findex entries that were in xlim.m * scripts/miscellaneous/getappdata.m scripts/miscellaneous/setappdata.m, scripts/plot/allchild.m, scripts/plot/ancestor.m, scripts/plot/area.m, scripts/plot/axes.m, scripts/plot/axis.m, scripts/plot/bar.m, scripts/plot/barh.m, scripts/plot/box.m, scripts/plot/caxis.m, scripts/plot/cla.m, scripts/plot/clabel.m, scripts/plot/clf.m, scripts/plot/close.m, scripts/plot/closereq.m, scripts/plot/colorbar.m, scripts/plot/comet.m, scripts/plot/comet3.m, scripts/plot/compass.m, scripts/plot/contour.m, scripts/plot/contour3.m, scripts/plot/contourc.m, scripts/plot/contourf.m, scripts/plot/copyobj.m, scripts/plot/cylinder.m, scripts/plot/daspect.m, scripts/plot/diffuse.m, scripts/plot/ellipsoid.m, scripts/plot/errorbar.m, scripts/plot/ezcontour.m, scripts/plot/ezcontourf.m, scripts/plot/ezmesh.m, scripts/plot/ezmeshc.m, scripts/plot/ezplot.m, scripts/plot/ezplot3.m, scripts/plot/ezpolar.m, scripts/plot/ezsurf.m, scripts/plot/ezsurfc.m, scripts/plot/feather.m, scripts/plot/figure.m, scripts/plot/fill.m, scripts/plot/findall.m, scripts/plot/findobj.m, scripts/plot/fplot.m, scripts/plot/gca.m, scripts/plot/gcbf.m, scripts/plot/gcbo.m, scripts/plot/gcf.m, scripts/plot/gco.m, scripts/plot/ginput.m, scripts/plot/graphics_toolkit.m, scripts/plot/grid.m, scripts/plot/gtext.m, scripts/plot/guidata.m, scripts/plot/guihandles.m, scripts/plot/hdl2struct.m, scripts/plot/hggroup.m, scripts/plot/hidden.m, scripts/plot/hist.m, scripts/plot/hold.m, scripts/plot/ishghandle.m, scripts/plot/ishold.m, scripts/plot/isocolors.m, scripts/plot/isprop.m, scripts/plot/legend.m, scripts/plot/line.m, scripts/plot/linkprop.m, scripts/plot/loglog.m, scripts/plot/loglogerr.m, scripts/plot/mesh.m, scripts/plot/meshc.m, scripts/plot/meshgrid.m, scripts/plot/meshz.m, scripts/plot/newplot.m, scripts/plot/orient.m, scripts/plot/pareto.m, scripts/plot/patch.m, scripts/plot/pcolor.m, scripts/plot/peaks.m, scripts/plot/pie.m, scripts/plot/pie3.m, scripts/plot/plot.m, scripts/plot/plot3.m, scripts/plot/plotmatrix.m, scripts/plot/plotyy.m, scripts/plot/polar.m, scripts/plot/print.m, scripts/plot/quiver.m, scripts/plot/quiver3.m, scripts/plot/rectangle.m, scripts/plot/refresh.m, scripts/plot/refreshdata.m, scripts/plot/ribbon.m, scripts/plot/rose.m, scripts/plot/saveas.m, scripts/plot/scatter.m, scripts/plot/scatter3.m, scripts/plot/semilogx.m, scripts/plot/semilogxerr.m, scripts/plot/semilogy.m, scripts/plot/semilogyerr.m, scripts/plot/shading.m, scripts/plot/shg.m, scripts/plot/shrinkfaces.m, scripts/plot/slice.m, scripts/plot/specular.m, scripts/plot/sphere.m, scripts/plot/stairs.m, scripts/plot/stem.m, scripts/plot/stem3.m, scripts/plot/struct2hdl.m, scripts/plot/subplot.m, scripts/plot/surf.m, scripts/plot/surface.m, scripts/plot/surfc.m, scripts/plot/surfl.m, scripts/plot/tetramesh.m, scripts/plot/text.m, scripts/plot/title.m, scripts/plot/trimesh.m, scripts/plot/triplot.m, scripts/plot/trisurf.m, scripts/plot/view.m, scripts/plot/waitbar.m, scripts/plot/waitforbuttonpress.m, scripts/plot/waterfall.m, scripts/plot/whitebg.m, scripts/plot/xlabel.m, scripts/plot/xlim.m, scripts/plot/ylabel.m, scripts/plot/ylim.m, scripts/plot/zlabel.m, scripts/plot/zlim.m: Rewrite docstrings for most plot functions. Emphasize clarity, use common "voice", and increase density of seealso links.
author Rik <rik@octave.org>
date Wed, 31 Jul 2013 13:53:30 -0700
parents 5dae8af4773d
children b5d6314314fc
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72c96de7a403 maint: update copyright notices for 2012
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1 ## Copyright (C) 2008-2012 David Bateman
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2 ##
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3 ## This file is part of Octave.
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4 ##
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5 ## Octave is free software; you can redistribute it and/or modify it
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6 ## under the terms of the GNU General Public License as published by
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7 ## the Free Software Foundation; either version 3 of the License, or (at
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8 ## your option) any later version.
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9 ##
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10 ## Octave is distributed in the hope that it will be useful, but
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11 ## WITHOUT ANY WARRANTY; without even the implied warranty of
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12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 ## General Public License for more details.
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14 ##
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15 ## You should have received a copy of the GNU General Public License
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16 ## along with Octave; see the file COPYING. If not, see
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17 ## <http://www.gnu.org/licenses/>.
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18
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19 ## -*- texinfo -*-
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20 ## @deftypefn {Function File} {} plotmatrix (@var{x}, @var{y})
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21 ## @deftypefnx {Function File} {} plotmatrix (@var{x})
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22 ## @deftypefnx {Function File} {} plotmatrix (@dots{}, @var{style})
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23 ## @deftypefnx {Function File} {} plotmatrix (@var{hax}, @dots{})
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24 ## @deftypefnx {Function File} {[@var{h}, @var{ax}, @var{bigax}, @var{p}, @var{pax}] =} plotmatrix (@dots{})
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25 ## Scatter plot of the columns of one matrix against another.
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26 ##
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27 ## Given the arguments @var{x} and @var{y}, that have a matching number of
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28 ## rows, @code{plotmatrix} plots a set of axes corresponding to
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29 ##
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30 ## @example
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31 ## plot (@var{x}(:, i), @var{y}(:, j))
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32 ## @end example
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33 ##
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34 ## Given a single argument @var{x} this is equivalent to
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35 ##
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36 ## @example
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37 ## plotmatrix (@var{x}, @var{x})
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38 ## @end example
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39 ##
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40 ## @noindent
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41 ## except that the diagonal of the set of axes will be replaced with the
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42 ## histogram @code{hist (@var{x}(:, i))}.
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43 ##
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44 ## The marker to use can be changed with the @var{style} argument, that is a
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45 ## string defining a marker in the same manner as the @code{plot} command.
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46 ##
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47 ## If the first argument @var{hax} is an axes handle, then plot into this axis,
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48 ## rather than the current axes returned by @code{gca}.
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49 ##
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50 ## The optional return value @var{h} provides handles to the individual
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51 ## graphics objects in the scatter plots, whereas @var{ax} returns the
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52 ## handles to the scatter plot axis objects. @var{bigax} is a hidden
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53 ## axis object that surrounds the other axes, such that the commands
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54 ## @code{xlabel}, @code{title}, etc., will be associated with this hidden
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55 ## axis. Finally, @var{p} returns the graphics objects associated with
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56 ## the histogram and @var{pax} the corresponding axes objects.
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57 ##
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58 ## Example:
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59 ##
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60 ## @example
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61 ## plotmatrix (randn (100, 3), "g+")
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62 ## @end example
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63 ##
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64 ## @seealso{scatter, plot}
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65 ## @end deftypefn
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66
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67 function [h, ax, bigax, p, pax] = plotmatrix (varargin)
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68
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69 [bigax2, varargin, nargin] = __plt_get_axis_arg__ ("plotmatrix", varargin{:});
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70
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71 if (nargin > 3 || nargin < 1)
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72 print_usage ();
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73 endif
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74
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75 oldfig = ifelse (isempty (bigax2), [], get (0, "currentfigure"));
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76 unwind_protect
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77 bigax2 = newplot (bigax2);
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78
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79 [h2, ax2, p2, pax2] = __plotmatrix__ (bigax2, varargin{:});
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80
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81 if (nargout > 0)
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82 h = h2;
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83 ax = ax2;
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84 bigax = bigax2;
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85 p = p2;
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86 pax = pax2;
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87 endif
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88 axes (bigax2);
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89 ctext = text (0, 0, "", "visible", "off",
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90 "handlevisibility", "off", "xliminclude", "off",
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91 "yliminclude", "off", "zliminclude", "off",
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92 "deletefcn", {@plotmatrixdelete, [ax2; pax2]});
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93 set (bigax2, "visible", "off");
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94
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95 unwind_protect_cleanup
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96 if (! isempty (oldfig))
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97 set (0, "currentfigure", oldfig);
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98 endif
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99 end_unwind_protect
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100
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101 endfunction
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102
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103
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104 %!demo
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105 %! clf;
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106 %! plotmatrix (randn (100, 3), 'g+');
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107
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108
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109 function plotmatrixdelete (h, d, ax)
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110 for i = 1 : numel (ax)
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111 hc = ax(i);
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112 if (ishandle (hc) && strcmp (get (hc, "type"), "axes")
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113 && strcmpi (get (hc, "beingdeleted"), "off"))
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114 parent = get (hc, "parent");
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115 ## If the parent is invalid or being deleted, then do nothing
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116 if (ishandle (parent) && strcmpi (get (parent, "beingdeleted"), "off"))
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117 delete (hc);
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118 endif
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119 endif
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120 endfor
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121 endfunction
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122
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5dae8af4773d plotmatrix.m: Overhaul function to use new__plt_get_axis_arg__.
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123 function [h, ax, p, pax] = __plotmatrix__ (bigax, varargin)
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124 have_line_spec = false;
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125 have_hist = false;
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126 parent = get (bigax, "parent");
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127 for i = 1 : nargin - 1
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128 arg = varargin{i};
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129 if (ischar (arg) || iscell (arg))
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130 [linespec, valid] = __pltopt__ ("plotmatrix", varargin{i}, false);
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131 if (valid)
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John W. Eaton <jwe@octave.org>
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132 have_line_spec = true;
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133 linespec = varargin(i);
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134 varargin(i) = [];
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135 nargin = nargin - 1;
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136 break;
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137 else
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5dae8af4773d plotmatrix.m: Overhaul function to use new__plt_get_axis_arg__.
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138 print_usage ("plotmatrix");
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139 endif
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140 endif
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141 endfor
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142
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143 if (nargin == 2)
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David Bateman <dbateman@free.fr>
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144 X = varargin{1};
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David Bateman <dbateman@free.fr>
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145 Y = X;
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146 have_hist = true;
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147 elseif (nargin == 3)
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148 X = varargin{1};
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149 Y = varargin{2};
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150 else
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151 print_usage ("plotmatrix");
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152 endif
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153
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154 if (rows (X) != rows (Y))
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155 error ("plotmatrix: dimension mismatch in the arguments");
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156 endif
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157
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158 [dummy, m] = size (X);
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159 [dummy, n] = size (Y);
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160
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161 h = [];
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162 ax = [];
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163 p = [];
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164 pax = [];
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165
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166 xsize = 0.9 / m;
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parents:
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167 ysize = 0.9 / n;
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168 xoff = 0.05;
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169 yoff = 0.05;
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170 border = [0.130, 0.110, 0.225, 0.185] .* [xsize, ysize, xsize, ysize];
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171 border(3:4) = - border(3:4) - border(1:2);
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172
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Julien Bect <julien.bect@supelec.fr>
parents: 14868
diff changeset
173 for i = 1 : m
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diff changeset
174 for j = 1 : n
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175 pos = [xsize * (i - 1) + xoff, ysize * (n - j) + yoff, xsize, ysize];
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176 tmp = axes ("outerposition", pos, "position", pos + border,
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177 "parent", parent);
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178 if (i == j && have_hist)
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179 pax = [pax ; tmp];
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180 [nn, xx] = hist (X(:, i));
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181 tmp = bar (xx, nn, 1.0);
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182 p = [p; tmp];
8127
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parents:
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183 else
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184 ax = [ax ; tmp];
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185 if (have_line_spec)
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186 tmp = plot (X (:, i), Y (:, j), linespec);
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187 else
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diff changeset
188 tmp = plot (X (:, i), Y (:, j), ".");
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189 endif
95c3e38098bf Untabify .m scripts
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diff changeset
190 h = [h ; tmp];
8127
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parents:
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191 endif
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David Bateman <dbateman@free.fr>
parents:
diff changeset
192 endfor
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parents:
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193 endfor
86568be36992 Add the plotmatrix function
David Bateman <dbateman@free.fr>
parents:
diff changeset
194 endfunction
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Rik <rik@octave.org>
parents: 16814
diff changeset
195