gfcosets This function produces cyclotomic cosets for a Galois field GF(P) GFCS = GFCOSETS(M) produces cyclotomic cosets mod(2^M - 1). Each row of the output GFCS contains one cyclotomic coset. GFCS = GFCOSETS(M, P) produces cyclotomic cosets mod(P^M - 1), where P is a prime number. Because the length of the cosets varies in the complete set, %nan is used to fill out the extra space in order to make all variables have the same length in the output matrix GFCS. Pola Lakshmi Priyanka, IIT Bombay