16.04.23 17:32 Polynom - příklad -- Sage
https://sage.math.muni.cz/home/j.zelinka/14/print 1/1
Polynom - příklad
var('x') 
        x
R = PolynomialRing(QQ, x) 
       
p0=x^3 + x^2 + 2*x + 2
p0.parent() 
        Symbolic Ring
p0 in R 
        True
p0.is_irreducible() 
       
Traceback (click to the left of this block for traceback)
...
AttributeError: 'sage.symbolic.expression.Expression' object has no
attribute 'is_irreducible'
p0.factor() 
        (x^2 + 2)*(x + 1)
p1=R(x^3 + x^2 + 2*x + 2)
p1.parent() 
        Univariate Polynomial Ring in x over Rational Field
p1.is_irreducible() 
        False
p1.factor() 
        (x + 1) * (x^2 + 2)