arrays - How to fix this "out of memory error " in MATLAB? -

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two of lines in code, commented below, throw "out of memory error". can corrected? 

[x1,x2]=textread(tline,'%u,%u'); x1 , x2 contains integer value    %  disp(x1);  %     disp(x2);    previousmovie =  nextmovie; nextmovie     =  x1; allmovies     =  [allmovies x1];  /////////      error in line if(iline ==1)             if((nextmovie ~= previousmovie) & (previousmovie==0))         currentgenres = x2;          end end    if(nextmovie == previousmovie)     currentgenres = [currentgenres x2];/////////       in line error end


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