Mercurial > hg > octave-lyh
annotate scripts/plot/semilogy.m @ 16580:adc150db1809
style fixes for uigetfile changes
* dialog.cc, dialog.h, main-window.cc, octave-qt-link.cc,
octave-qt-link.h, octave-link.cc, octave-link.h, uigetfile.m:
Style fixes.
author | John W. Eaton <jwe@octave.org> |
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date | Sun, 28 Apr 2013 13:41:37 -0400 |
parents | 5d3a684236b0 |
children | ddac88d32d6a |
rev | line source |
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1 ## Copyright (C) 1993-2012 John W. Eaton |
2313 | 2 ## |
3 ## This file is part of Octave. | |
4 ## | |
5 ## Octave is free software; you can redistribute it and/or modify it | |
6 ## under the terms of the GNU General Public License as published by | |
7016 | 7 ## the Free Software Foundation; either version 3 of the License, or (at |
8 ## your option) any later version. | |
2313 | 9 ## |
10 ## Octave is distributed in the hope that it will be useful, but | |
11 ## WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 ## General Public License for more details. | |
14 ## | |
15 ## You should have received a copy of the GNU General Public License | |
7016 | 16 ## along with Octave; see the file COPYING. If not, see |
17 ## <http://www.gnu.org/licenses/>. | |
245 | 18 |
3368 | 19 ## -*- texinfo -*- |
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20 ## @deftypefn {Function File} {} semilogy (@var{y}) |
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21 ## @deftypefnx {Function File} {} semilogy (@var{x}, @var{y}) |
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22 ## @deftypefnx {Function File} {} semilogy (@var{x}, @var{y}, @var{property}, @var{value}, @dots{}) |
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23 ## @deftypefnx {Function File} {} semilogy (@var{x}, @var{y}, @var{fmt}) |
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24 ## @deftypefnx {Function File} {} semilogy (@var{h}, @dots{}) |
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25 ## @deftypefnx {Function File} {@var{h} =} semilogy (@dots{}) |
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26 ## Produce a two-dimensional plot using a logarithmic scale for the @var{y} |
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27 ## axis. See the documentation of @code{plot} for a description of the |
6895 | 28 ## arguments that @code{semilogy} will accept. |
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29 ## |
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30 ## The optional return value @var{h} is a graphics handle to the created plot. |
6895 | 31 ## @seealso{plot, semilogx, loglog} |
3368 | 32 ## @end deftypefn |
4 | 33 |
2314 | 34 ## Author: jwe |
35 | |
6302 | 36 function retval = semilogy (varargin) |
4 | 37 |
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38 [h, varargin, nargs] = __plt_get_axis_arg__ ("semilogy", varargin{:}); |
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39 |
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40 if (nargs < 1) |
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41 print_usage (); |
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42 endif |
7216 | 43 |
7207 | 44 oldh = gca (); |
45 unwind_protect | |
46 axes (h); | |
47 newplot (); | |
3063 | 48 |
7207 | 49 set (h, "yscale", "log"); |
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50 if (any (strcmp (get (gca, "nextplot"), {"new", "replace"}))) |
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51 set (h, "yminortick", "on"); |
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52 endif |
4 | 53 |
7207 | 54 tmp = __plt__ ("semilogy", h, varargin{:}); |
6302 | 55 |
7207 | 56 if (nargout > 0) |
57 retval = tmp; | |
58 endif | |
59 | |
60 unwind_protect_cleanup | |
61 axes (oldh); | |
62 end_unwind_protect | |
4 | 63 |
64 endfunction | |
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65 |
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66 |
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67 %!demo |
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68 %! clf; |
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69 %! x = 1:0.01:10; |
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70 %! y = (x .* (1 + rand (size (x)))) .^ 2; |
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71 %! semilogy (x, y); |
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72 |
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73 %!demo |
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74 %! clf; |
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75 %! x = logspace (-5, 1, 10); |
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76 %! y = logspace (-5, 1, 10); |
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77 %! |
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78 %! subplot (2,1,1); |
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79 %! semilogy (x, y); |
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80 %! ylabel ('semilogy (x, y)'); |
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81 %! |
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82 %! subplot (2,1,2); |
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83 %! semilogy (x, -y); |
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84 %! ylabel ('semilogy (x, -y)'); |
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85 |
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86 %!demo |
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87 %! clf; |
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88 %! x = logspace (-5, 1, 10); |
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89 %! y = logspace (-5, 1, 10); |
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90 %! |
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91 %! subplot (2,1,1); |
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92 %! semilogy (x, y); |
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93 %! set (gca, 'ydir', 'reverse', 'activepositionproperty', 'outerposition'); |
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94 %! ylabel ({'semilogy (x, y)', 'ydir = reversed'}); |
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95 %! |
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96 %! subplot (2,1,2); |
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97 %! semilogy (x, -y); |
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98 %! set (gca, 'ydir', 'reverse', 'activepositionproperty', 'outerposition'); |
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99 %! ylabel ({'semilogy (x, -y)', 'ydir = reversed'}); |
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100 |
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101 %!test |
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102 %! hf = figure ("visible", "off"); |
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103 %! unwind_protect |
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104 %! a = logspace (-5, 1, 10); |
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105 %! b = logspace (-5, 1, 10); |
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106 %! semilogy (a, b); |
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107 %! assert (get (gca, "yscale"), "log"); |
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108 %! assert (get (gca, "xscale"), "linear"); |
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109 %! unwind_protect_cleanup |
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110 %! close (hf); |
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111 %! end_unwind_protect |
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112 |
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113 %!test |
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114 %! hf = figure ("visible", "off"); |
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115 %! unwind_protect |
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116 %! a = logspace (-5, 1, 10); |
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117 %! b =-logspace (-5, 1, 10); |
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118 %! semilogy (a, b); |
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119 %! axis tight; |
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120 %! assert (all (get (gca, "ytick") < 0)); |
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121 %! unwind_protect_cleanup |
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122 %! close (hf); |
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123 %! end_unwind_protect |
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124 |