gf2ntop

gf2ntop(m[,v])

:: GF(2^n) ¤Î¸µ¤ò¿¹à¼°¤ËÊÑ´¹

return

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m

GF(2^n) ¤Î¸µ

v

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• m ¤òɽ¤¹Â¿¹à¼°¤ò, À°¿ô·¸¿ô¤Î¿¹à¼°¥ª¥Ö¥¸¥§¥¯¥È¤È¤·¤ÆÊÖ¤¹.
• v ¤Î»ØÄ꤬¤Ê¤¤¾ì¹ç, ľÁ°¤Î ptogf2n() ¸Æ¤Ó½Ð¤· ¤Ë¤ª¤±¤ë°ú¿ô¤ÎÊÑ¿ô (¥Ç¥Õ¥©¥ë¥È¤Ï x), »ØÄ꤬¤¢¤ë¾ì¹ç¤Ë¤Ï »ØÄꤵ¤ì¤¿ÉÔÄ긵¤òÊÑ¿ô¤È¤¹¤ë¿¹à¼°¤òÊÖ¤¹.

[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

»²¾È

section ptogf2n

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