fctr
, sqfr
fctr()
は既約因子分解,
sqfr()
は無平方因子分解.
ptozp()
参照)
[0] fctr(x^10-1); [[1,1],[x-1,1],[x+1,1],[x^4+x^3+x^2+x+1,1],[x^4-x^3+x^2-x+1,1]] [1] fctr(x^3+y^3+(z/3)^3-x*y*z); [[1/27,1],[9*x^2+(-9*y-3*z)*x+9*y^2-3*z*y+z^2,1],[3*x+3*y+z,1]] [2] A=(a+b+c+d)^2; a^2+(2*b+2*c+2*d)*a+b^2+(2*c+2*d)*b+c^2+2*d*c+d^2 [3] fctr(A); [[1,1],[a+b+c+d,2]] [4] A=(x+1)*(x^2-y^2)^2; x^5+x^4-2*y^2*x^3-2*y^2*x^2+y^4*x+y^4 [5] sqfr(A); [[1,1],[x+1,1],[-x^2+y^2,2]] [6] fctr(A); [[1,1],[x+1,1],[-x-y,2],[x-y,2]]
ufctrhint
.
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