# An example Octave script 

len = input( "What size array do you wish to use for the evaluation: " );

clear a; 
tic(); 
for i=1:len
    a(i) = i; 
endfor 
time1 = toc();

a = [1]; 
tic(); 
for i=2:len 
    a = [a i]; 
endfor
time2 = toc();

a=zeros( len, 1 ); 
tic(); 
for i=1:len 
    a(i) = i; 
endfor
time3 = toc();

printf( "The time taken for method 1 was %.4f seconds\n", time1 );
printf( "The time taken for method 2 was %.4f seconds\n", time2 );
printf( "The time taken for method 3 was %.4f seconds\n", time3 );