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10.5.13 ptosfp, sfptop

ptosfp(p)
sfptop(p)
:: 小標数有限体への変換, 逆変換

return
多項式
p
多項式

 
[196] setmod_ff(3,5);
[3,x^5+2*x+1,x]
[197] A = ptosfp(23);
@_17
[198] 9*2+3+2;
23
[199] x^17-(2*x^2+x+2); 
x^17-2*x^2-x-2
[200] sremm(@,x^5+2*x+1,3);
0
[201] sfptop(A);
23

参照
10.5.1 setmod_ff, 10.5.6 simp_ff


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