surf error UPDATED

[Ekin Akoglu]

Dear all,

Now I got all working correctly except one thing! I can plot images with 
Octave and gnuplot working together and surf command now works for small
sized data. However, I have a data file of 85000 rows and 3 columns. The 
steps are as follows:

load 155          % load data file named 155 with 85000 rows and 3 columns
a = X155(:,1);
b = X155(:,2);
c = X155(:,3);
A = [];
B = [];
C = [];
t = length(a)/751;
for k=1:t
    A = [A a((1+((k-1)*751)):(k*751))];
    B = [B b((1+((k-1)*751)):(k*751))];
    C = [C c((1+((k-1)*751)):(k*751))];
end
surf(A,B,C);

Than the gnuplot window opens and hangs there...The cursor shows the 
busy icon when hovering over the gnuplot window and it never ends. 
Octave also
falls back to the normal command prompt indicating that it has done. Can 
you tell me where I am wrong? I can surf small scaled data without 
problems but it just doesn't work.

Thank you,

Ekin

P.S: By the way, when I execute "apt-cache search octave" it shows me 
the only one version and it is 2.9.19...strange...My sources.list file 
as follows:

deb http://ftp.us.debian.org/debian/ sid main
deb-src http://ftp.us.debian.org/debian/ sid main
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