Re: xlabel

[Henry F. Mollet]

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$