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Re: xlabel
From: |
Henry F. Mollet |
Subject: |
Re: xlabel |
Date: |
Sun, 28 Mar 2010 18:53:16 -0700 |
User-agent: |
Microsoft-Entourage/11.1.0.040913 |
on 3/27/10 7:51 PM, Ben Abbott at address@hidden wrote:
> On Mar 27, 2010, at 10:15 PM, Henry F. Mollet wrote:
>
>> I'm trying to update old scripts that use gset. I'm using Octave
>> 3.2.2/Gnuplot4.25/AquaTerm on Mac with OS 10.4.11. I've tried the example
>> given with doc xlabel but have problems with the xlabel and also the
>> position of the title. Result of example is attached.
>>
>> I've tried suggestions by Ben in an answer to the same question dated June
>> 29, 2009 but have the same problems with xlabel after changing
>> defaultposition or changing to x11.
>> Henry
>>
>> -3.2.2:28> doc xlabel
>>
>> File: octave.info, Node: Plot Annotations, Next: Multiple Plots on One
>> Page, \
>> Prev: Three-Dimensional Plotting, Up: Plotting Basics
>>
>> 15.1.3 Plot Annotations
>> -----------------------
>>
>> You can add titles, axis labels, legends, and arbitrary text to an
>> existing plot. For example,
>>
>> x = -10:0.1:10;
>> plot (x, sin (x));
>> title ("sin(x) for x = -10:0.1:10");
>> xlabel ("x");
>> ylabel ("sin (x)");
>> text (pi, 0.7, "arbitrary text");
>> legend ("sin (x)");
>>
>> The functions `grid' and `box' may also be used to add grid and
>> border lines to the plot. By default, the grid is off and the border
>> lines are on.
>>
>> Entering one command after the other:
>>
>> octave-3.2.2:5> x = -10:0.1:10;
>> octave-3.2.2:6> plot (x, sin (x));
>> octave-3.2.2:7> title ("sin(x) for x = -10:0.1:10");
>> octave-3.2.2:8> xlabel ("x");
>> error: invalid use of script in index expression
>> octave-3.2.2:8> ylabel ("sin (x)");
>> octave-3.2.2:9> text (pi, 0.7, "arbitrary text");
>> octave-3.2.2:10> legend ("sin (x)");
>> octave-3.2.2:11>
>>
>> Suggestion based on answer by Ben to the same question:
>> octave-3.2.2:19> close all
>> octave-3.2.2:20> set (0, "defaultaxesposition", [0.13, 0.13, 0.775, 0.795])
>> octave-3.2.2:21> plot (1:10)
>> octave-3.2.2:22> xlabel ("my xlabel")
>> error: invalid use of script in index expression
>> octave-3.2.2:22> close all
>> octave-3.2.2:23> setenv ("GNUTERM", "x11")
>> octave-3.2.2:24> plot (1:10)
>> octave-3.2.2:25> xlabel ("my xlabel")
>> error: invalid use of script in index expression
>> octave-3.2.2:25>
>
> Henry,
>
> So far I've been unable to locate where the error you see originates.
>
> From what you've presented, I infer that something may be wrong with your
> xlabel script.
>
> What you do get when you type...
>
> ls(cstrcat('-l ',which('xlabel')))
>
> If the date is more recent than 2009-07-29 then it may have been modified ...
> Did you download the Octave binary from SourceForge, or build it from sources
> using Fink or MacPorts?
>
> Ben
>
I have more than one xlabel.m on my computer but I believe my Octave 3.2.2
is using the one associated with it. The file is given below.
Thanks, Henry
I installed the latest version of a binary from Thomas in Germany.
[~] -bash-2.05b 501$ exec
'/Applications/Octave.app/Contents/Resources/bin/octave'
GNU Octave, version 3.2.2
Copyright (C) 2009 John W. Eaton and others.
octave-3.2.2:1> ls(cstrcat('-l ',which('xlabel')))
-rw-r--r-- 1 hfm admin 1720 Jul 25 2009
/Applications/Octave.app/Contents/Resources/share/octave/3.2.2/m/plot/xlabel
.m
octave-3.2.2:2>
[~] -bash-2.05b 501$ locate xlabel.m
/Applications/Octave.app/Contents/Resources/share/octave/3.2.2/m/plot/xlabel
.m
/Volumes/octave.app.dmg/Octave.app/Contents/Resources/share/octave/3.2.2/m/p
lot/xlabel.m
/usr/local/share/octave/2.1.71/m/plot/xlabel.m
/usr/local/share/octave/2.1.71/site/octave-forge-alternatives/m/graceplot/xl
abel.m
[~] -bash-2.05b 502$ cd
/Applications/Octave.app/Contents/Resources/share/octave/3.2.2/m/plot
[/Applications/Octave.app/Contents/Resources/share/octave/3.2.2/m/plot]
-bash-2.05b 504$ cat xlabel.m
## Copyright (C) 1993, 1994, 1995, 1996, 1997, 1999, 2000, 2002, 2003,
## 2004, 2005, 2006, 2007, 2008, 2009 John W. Eaton
##
## This file is part of Octave.
##
## Octave is free software; you can redistribute it and/or modify it
## under the terms of the GNU General Public License as published by
## the Free Software Foundation; either version 3 of the License, or (at
## your option) any later version.
##
## Octave is distributed in the hope that it will be useful, but
## WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
## General Public License for more details.
##
## You should have received a copy of the GNU General Public License
## along with Octave; see the file COPYING. If not, see
## <http://www.gnu.org/licenses/>.
## -*- texinfo -*-
## @deftypefn {Function File} {} xlabel (@var{string})
## @deftypefnx {Function File} {} ylabel (@var{string})
## @deftypefnx {Function File} {} zlabel (@var{string})
## @deftypefnx {Function File} {} xlabel (@var{h}, @var{string})
## Specify x, y, and z axis labels for the current figure. If @var{h} is
## specified then label the axis defined by @var{h}.
## @seealso{plot, semilogx, semilogy, loglog, polar, mesh, contour,
## bar, stairs, title}
## @end deftypefn
## Author: jwe
function retval = xlabel (varargin)
[h, varargin, nargin] = __plt_get_axis_arg__ ("xlabel", varargin{:});
if (rem (nargin, 2) != 1)
print_usage ();
endif
oldh = gca ();
unwind_protect
axes (h);
tmp = __axis_label__ ("xlabel", varargin{:});
unwind_protect_cleanup
axes (oldh);
end_unwind_protect
if (nargout > 0)
retval = tmp;
endif
endfunction
[/Applications/Octave.app/Contents/Resources/share/octave/3.2.2/m/plot]
-bash-2.05b 505$
N.B. Not sure what's going on but I'm making progress. See attached.
Henry
octave-3.2.2:2> plot (1:10)
octave-3.2.2:3> ylabel ("y-label")
octave-3.2.2:4> xlabel ("x-label") % Note no error message
octave-3.2.2:5> close all
octave-3.2.2:6> set (0, "defaultaxesposition", [0.13, 0.13, 0.775, 0.795])
octave-3.2.2:7> plot (1:10)
octave-3.2.2:8> ylabel ("my y-label")
octave-3.2.2:9> xlabel ("my x-label")
octave-3.2.2:10>
Figure 2.pdf
Description: Binary data
- xlabel, Henry F. Mollet, 2010/03/27