R=corrcoef(f,A)
A =
         0         0         0         0         0         0         0
         0         0    0.7000    0.7000    0.7000         0         0
         0         0    0.7000    0.7000    0.7000         0         0
         0         0    0.7000    0.7000    0.7000         0         0
         0         0    0.7000    0.7000    0.7000         0         0
         0         0    0.7000    0.7000    0.7000         0         0
         0         0         0         0         0         0         0
??? Error using ==> corrcoef
The lengths of X and Y must match.