gf2ntop

gf2ntop(m[,v])

:: Converts an element of GF(2^n) into a polynomial.

return

univariate polynomial

m

an element of GF(2^n)

v

indeterminate

• Returns a polynomial representing m.
• If v is used as the variable of the output. If v is not specified, the variable of the argument of the latest ptogf2n() call. The default variable is x.

[1] setmod_ff(x^30+x+1);
x^30+x+1
[2] N=simp_ff(gf2ntop(2^100));
(@^13+@^12+@^11+@^10)
[5] gf2ntop(N);
[207] gf2ntop(N);
x^13+x^12+x^11+x^10
[208] gf2ntop(N,t);
t^13+t^12+t^11+t^10

References

section ptogf2n

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