From help-request at octave dot org Wed Feb  8 12:24:13 2006
Subject: Re: clear all breaks gnuplot?
From: "Henry F. Mollet" <mollet at pacbell dot net>
To: <kingcrimson at tiscali dot it>, <help-octave@octave.org>
Date: Wed, 08 Feb 2006 10:20:38 -0800

Works for me using 
GNU Octave, version 2.1.71 (powerpc-apple-darwin8.1.0)
G N U P L O T Version 4.0 patchlevel 0
On Mac with OS Tiger 10.4.4. First plot appears as 'Figure 0' (=default) in
AquaTerm, 2nd plot appears as 'Figure 1' as per slight modification given
below.
Henry

octave:6> clear all
octave:7> x=[0:.1:1];
octave:8> y=x.^2;
octave:9> plot(x,y)
octave:10> x=[0:.1:1];
octave:11> y=x.^3;
octave:12> gset term aqua 1
warning: internal version __gnuplot_set__ instead.
octave:13> plot(x,y)





on 2/8/06 9:20 AM, Carlo de Falco at carlo dot defalco at gmail dot com wrote:

> Hi,
> I'm experiencing very strange behavior in plot
> I wonder if anyone has something similar.
> 
> I am using octave 2.9.4 and gnuplot 4.0
> on both OSX tiger and linux RH 7.3 (with gcc 3.4)
> 
> If ever I issue the command
> "clear all" at any point in a
> session, octave is no more able to print,
> I get errors like the following:
> 
> '/usr/tmp/oct-KQRzpx'  "line 1" set nologscale;
>          ^
>          line 0: invalid command
> 
> 
> It seems that octave "forgets" the "plot" command
> in the gnuplot command line.
> 
> But gnuplot_command_plot is still set to "pl"
> after "clear all":
> 
> octave:2> gnuplot_command_plot
> gnuplot_command_plot = pl
> 
> 
> The error above was produced by the following
> simple script:
> -----------------
> clear all
> 
> x=[0:.1:1];
> y=x.^2;
> 
> plot(x,y)
> 
> x=[0:.1:1];
> y=x.^3;
> 
> plot(x,y)
> -----------------
> 
> the first plot does not appear at all,
> the second produces the error.
> 
> Thanks in advance for any help,
> Carlo
> 
> 
> 
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