Re: Examples doesn't seems to work

[Henry F. Mollet]

I was not clear. I have no problems on my mac regarding gnuplot_x11. I
assume that the path to gnuplot_x11 was set up when I installed gnuplot-4.0
(some time ago) and more recently gnuplot-4.2.2 app.
Henry


on 9/6/07 11:31 AM, Jim Langston at address@hidden wrote:

> Need a little more info on the env. - could be running on a server which may
> not have a graphics card, most of these hardware installations don't
> install X drivers
> by default, need something like xvfb , but this is just a guess.
> 
> Jim
> 
> /////////////////////////
> 
> Henry F. Mollet wrote:
>> 1) The integration results are in the workspace
>> rwd x             200x2                       3200  matrix
>> Type x at the octave prompt and they will appear on your screen. You can
>> also delete the ';' at the end of the following code line, which supresses
>> the output
>> x = lsode ("f", x0, t);
>> 
>> 2) Your version of octave (on your platform) cannot find the X11 driver. Not
>> sure why your gnuplot cannot find it as my .gnuplot has no directions on
>> where to look.
>> 
>>  [~] -bash-2.05b 512$ locate gnuplot_x11
>> /Applications/GnuPlot.app/Contents/Resources/libexec/gnuplot/4.2/gnuplot_x11
>> /usr/local/libexec/gnuplot/4.0/gnuplot_x11
>> 
>>  [~] -bash-2.05b 511$ cat .gnuplot
>> set mouse
>> set loadpath "/usr/local/share/gnuplot/demo/" "/usr/local/bin/gnuplot"
>> 
>> Henry
>> 
>> 
>> on 9/5/07 11:06 AM, Abdul Rahman Riza at address@hidden wrote:
>> 
>>   
>>> Dear All,
>>> 
>>> I just installed octave and run an examples in
>>> http://www.gnu.org/software/octave/doc/interpreter/Simple-Examples.html#Simp
>>> le
>>> -Examples
>>> 
>>> After invoke this command:
>>> 
>>> octave:1> function xdot = f (x, t);
>>>     
>>>>  r = 1.4;
>>>>  k = 1.4;
>>>>  a = 1.5;
>>>>  b = 0.16;
>>>>  c = 0.9;
>>>>  d = 0.8;
>>>>  xdot(1) = r*x(1)*(1 - x(1)/k) - a*x(1)*x(2)/(1 + b*x(1));
>>>>  xdot(2) = c*a*x(1)*x(2)/(1 + b*x(1)) - d*x(2);
>>>> endfunction
>>>>       
>>> octave:2> x0 = [1; 2];
>>> octave:3> t = linspace (0, 50, 200)';
>>> octave:4> x = lsode ("f", x0, t);
>>> octave:5> plot (t, x)
>>> octave:6> Expected X11 driver: /usr/lib/gnuplot/gnuplot_x11
>>> Exec failed: No such file or directory
>>> See 'help x11' for more details
>>> 
>>> 
>>> My Question:
>>> 
>>>    Why there's no integration result?
>>>    Why can't I get the plot of the function?
>>> Regards,
>>> Riza
>>> 
>>> 
>>> 
>>> 
>>> 
>>> 
>>> 
>>> 
>>>        
>>> ---------------------------------
>>> Bergabunglah dengan orang-orang yang berwawasan, di bidang Anda di Yahoo!
>>> Answers
>>> _______________________________________________
>>> Help-octave mailing list
>>> address@hidden
>>> https://www.cae.wisc.edu/mailman/listinfo/help-octave
>>>     
>> 
>> 
>> _______________________________________________
>> Help-octave mailing list
>> address@hidden
>> https://www.cae.wisc.edu/mailman/listinfo/help-octave
>>   
>