Hi Here is the
Error Message

?? Error using ==> subsindex
Function 'subsindex' is not defined for values of class 'gf'.

Error in ==> anubis_gamma at 11
gamma is a vector ...size (1 by 256)

x is gf(X,8)

x >>size 4 by 4

is there any method to convert the Gf class object to a normal array ..?